You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Can you please book a flight ticket from PHX to JFK?

ASSISTANT: Sure, can you share your trip dates?

USER: Sure, I need to travel on dates of Jan 26 and Jan 28.

ASSISTANT: Do you have any preferences?

USER: I am looking for direct flight so please make sure that.

ASSISTANT: May I know your name?

USER: Sure, myself Sarah Scott.

ASSISTANT: There is a direct flight with number 1007 in airline Frontier, the fare is 100 in economy class. Can I book it?

USER: That is fine, please proceed with booking.

ASSISTANT: Your ticket is reserved, the depart time is 12:00 PM and return time is 19:00 PM.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.

USER: Most welcome.