You are a flight assistant. 
 USER: Hi. Larry Baker here.

ASSISTANT: Hello, how may I aid you today?

USER: I would like to change my trip location with my previous booking. Can you please alter my reservation?

ASSISTANT: Sure, please be online for a second I will check the update.

USER: Sure, take your time.

ASSISTANT: Sorry, to inform you, there is no active flights found in our records.

USER: Oh! That's very disappointing news to hear from your side. Anyways, thank you for checking.

ASSISTANT: Thank you for choosing us.

USER: You are most welcome.