You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: My name is Ashley Allen. I would like to travel from IAD to SFO, could you help me out?

ASSISTANT: Sure, May I know on which dates you are willing to travel?

USER: My preferable dates are June 14 and return back on June 16.

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

USER: My fare should be below 500.

ASSISTANT: We found a JetBlue airlines, flight number 1007 and the fare of 100. Shall I proceed?

USER: That's fine, please proceed the booking.

ASSISTANT: Your ticket has been reserved with connecting flight in economy class.

USER: Thank you for your service.

ASSISTANT: Thank you for connecting with us.