You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I need a direct flight in my journey, as I need to attend my business meeting. Can you help me in booking?

ASSISTANT: Sure, can you please tell your travelling locations?

USER: My origin is PHX  and destination is BOS.

ASSISTANT: When would you like to travel?

USER: My travelling dates are 01/13 to 01/15.

ASSISTANT: Sorry, there are no flights available with your request.

USER: No issues, thank you for your time.

ASSISTANT: Thank you and have a nice day.