You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: I would like to book a ticket from BOS to PHX, can you please help me with that?

ASSISTANT: Sure, could I have your trip dates, please?

USER: The travel dates are from 01/30 to 02/01.

ASSISTANT: May I know your good name?

USER: Helen Roberts here.

ASSISTANT: Is there any connection limit?

USER: I need a flight with 1 connection limit.

ASSISTANT: Do you have any other specifications?

USER: I prefer economy class.

ASSISTANT: Sorry, no flights are available as per your requirements.

USER: That's ok, thank you for your help.

ASSISTANT: Thank you for choosing us.