You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I need to attend my cousin's birthday party, can you book a ticket from IAD to DFW?

ASSISTANT: Sure, can you please help me with your travelling dates?

USER: Sure, my planned departure and return travel dates are 5th and 7th of August.

ASSISTANT: Which airline do you prefer?

USER: I'm ok with any airlines.

ASSISTANT: Do you have any other requirements?

USER: Yes, I'm looking for single connected flight.

ASSISTANT: May I know your name?

USER: My name is Kenneth Walker.

ASSISTANT: There is a flight of Hawaiian airline, flight number 1006 with the fare of 200.

USER: That's fine, you can proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you so much for your help.

ASSISTANT: Thank you for choosing us.