You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Jerry Young here. Can you please book a flight ticket from LAX to DTW? As I need to attend a marriage function in Detroit.

ASSISTANT: Sure Jerry, can I know the travel dates please?

USER: Sure, I need to travel on dates of 09/01 and 09/03.

ASSISTANT: Ok, wait a moment please.

USER: Sure, take your time.

ASSISTANT: Sorry, there are no flights available on your dates.

USER: Oh! It is sad to hear. Anyway, I will go with another agency this time. Thank you for your time.

ASSISTANT: Thank you for approaching us.

USER: Most welcome.