You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am William Barker.

ASSISTANT: How may I aid you?

USER: Can you please help me in booking my flight ticket from SFO to DFW?

ASSISTANT: Sure, I can help you with that. May I know your planned travel dates please?

USER: My travelling dates are June 12 and June 14.

ASSISTANT: May I know in which class you want to travel?

USER: I can travel in any class flight.

ASSISTANT: Do you need halt in between your journey?

USER: I need single connection flight.

ASSISTANT: Ok, do you have any other specifications?

USER: I do not have any specifications.

ASSISTANT: Please wait a moment.

USER: Ok, sure.

ASSISTANT: Hawaiian airlines is providing a flight on that route with ticket fare of 100, shall I proceed for booking?

USER: Ok, please proceed with booking.

ASSISTANT: I have successfully booked economy class ticket with flight-1007, have a safe journey.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.