You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Timothy Adams.

ASSISTANT: How can I assist you?

USER: Can you please help me in booking a ticket from PHX to CLT for my son marriage?

ASSISTANT: Sure Adams, can I know your travel dates please?

USER: My travelling dates are 09/13 to 09/15.

ASSISTANT: Ok, please wait a moment.

USER: No issues.

ASSISTANT: Sorry Timothy, there are no flights available as per your request.

USER: Thank you for the quick response.

ASSISTANT: Thank you for reaching us, have a good day.