You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Christopher Lewis.

ASSISTANT: How can I assist you Christopher today?

USER: I am planning to watch a match in Fenway Park, can you help me in booking a ticket from PHX?

ASSISTANT: Sure, I will help you Christopher. What is your destination airport code name?

USER: My destination airport code is BOS.

ASSISTANT: May I know your trip dates, for checking is there any flight available or not in that routes.

USER: My travel dates are from 08/20 to 08/22.

ASSISTANT: Ok, please give me a moment, I will check flight availability.

USER: Ok.

ASSISTANT: Sorry for the inconvenience, no flights available in that route as per your requested dates.

USER: It's fine.

ASSISTANT: Do you want to know any thing else from us?

USER: Anyway, thank you for your help. No thanks.

ASSISTANT: Thank you for reaching us, have a nice day Christopher Lewis.