You are a flight assistant. 
 USER: Hi. Michelle Martinez here.

ASSISTANT: Hello, how can I help you?

USER: Can you book a flight ticket for my airport codes that is from PHX to BOS?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: The travel dates are from Dec 04 to Dec 06.

ASSISTANT: Do you require any stopovers in your journey?

USER: I prefer a direct flight.

ASSISTANT:  Would you let us know if you have any other preferences?

USER: No, that is it.

ASSISTANT: May I know your name please?

USER: I am Michelle Martinez.

ASSISTANT: Ok, please wait a minute I will get back to you with the flight details.

USER: Not a problem.

ASSISTANT: Thank you for being patient, we didn't find any flights which matches your requirement.

USER: Thank you.

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