You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: Can you please help me in booking my ticket from BOS to PHX?

ASSISTANT:  Sure, may I know your travelling dates?

USER: Sure, my willing to travel dates are from Nov, 25 to Nov, 27.

ASSISTANT: On which name shall I reserve flight ticket?

USER: Sure, my name is Scott Martin.

ASSISTANT: Do you need any specifications?

USER: Yes, I want to return at afternoon time.

ASSISTANT: Sorry, there are no flights found on given dates.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Anyways, thank you for your service.