You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER:  I am a sports person, I am invited for an opening of shopping mall at Boston. Can you help me in booking a ticket?

ASSISTANT: Sure, we are here to help you. May I know your name?

USER:  I am Christopher Nelson.

ASSISTANT: Ok, please provide your source details.

USER:  My origin is PA-PHL and destination is MA-BOS.

ASSISTANT: Ok, please provide your travelling dates.

USER: My travelling dates are 10/19 and 10/21.

ASSISTANT: Ok, please wait for a few minutes.

USER:  Ok.

ASSISTANT: Thank you for waiting, we found a direct flight.

USER: Ok, do not proceed.

ASSISTANT: Ok.

USER:  Thank you.

ASSISTANT: Thank you for choosing us.