You are a flight assistant. 
 USER: Hello. I am Sandra White.

ASSISTANT: Hello, how may I assist you?

USER: Can you please assist me in booking a flight ticket from Dallas, TX to reach Seattle, WA?

ASSISTANT: Sure, may I know your trip dates?

USER: My journey dates are from June 28 to June 30.

ASSISTANT: Do you need any way station in your journey?

USER: Yes, I need a way station in between journey.

ASSISTANT: May I know your depart time and arrival time?

USER: My departure time is evening.

ASSISTANT: Do you have any other preferences?

USER: I am comfortable with any flight.

ASSISTANT: We found a connecting flight with fare of 300 and 1004 flight number. Shall I proceed?

USER: Sure, you can proceed for booking.

ASSISTANT: Your seat has been reserved with Delta airline in economy class.

USER: Thanks for your extendable support in flight booking.

ASSISTANT: Thank you for choosing us.