You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Angela Baker here.

ASSISTANT: Angela, how may I help you today?

USER: I want you to book my flight ticket from LAX to DTW, can you please do that for me?

ASSISTANT: Please provide your travel dates.

USER: I will depart on 02/29 and return back on 03/02.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry, no flight is available on your route.

USER: Not an issue, anyway thank you for the information.

ASSISTANT: Thank you for approaching us.