Cry of relief

• I'm relieved to see seat outside hotel
• Sigh of relief
• "Glad that's done!"
• "Is it hot!"
• "Close call!"
• "Boy, is it hot!"
• "What a relief!"
• [That was close!]

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
vocalic gesture expressing weariness, etc., attested from c.1600.

Longman Dictionary of Contemporary English Word definitions in Longman Dictionary of Contemporary English
interjection EXAMPLES FROM OTHER ENTRIES ▪ Phew ! I am so glad it's Friday.