You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Gregory Hill.

ASSISTANT: How may I help you?

USER: Can you help me in booking my flight ticket from PHX to OAK?

ASSISTANT: Sure, may I know your trip dates?

USER: My trip dates will be Dec 26th to Dec 28th.

ASSISTANT: May I know your connection limit please?

USER: I need a connecting flight.

ASSISTANT: Is there any class preferences?

USER: I prefer any class.

ASSISTANT: Can you please share your airline preferences?

USER: I am ok, with any airline.

ASSISTANT: Do you have any specifications?

USER: My return time should be in the morning.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Here, there is a flight with 1 connection in Delta airlines and price is 100. Shall I proceed?

USER: Sure, you can proceed.

ASSISTANT: Ok, your ticket has been reserved with the flight 1014.

USER: Thank you.

ASSISTANT: Thank you for choosing us.