You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you at this moment?

USER: My name is Sarah Phillips and I want to book the flight ticket from PHX to JFK. Can you please help me in booking?

ASSISTANT: Sure, may I know your journey dates please?

USER: My travel dates are 06/21 and 06/23.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: May I know at what price you are looking for airfare?

USER: I can afford 1000 only.

ASSISTANT: We found a direct flight with Hawaiian airlines, and the fare of 100 in economy class. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your ticket has been reserved with 1003 flight number.

USER: Thank you for the help.

ASSISTANT: Thank you for approaching us.