You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I would like to attend Global Environmental Conference in Benaroya hall, which is at Seattle, SEA. Can you please help me in booking a flight ticket from DFW?

ASSISTANT: Sure, I will help you. May I know your planned travel dates?

USER: Sure, I need to go on 26th April and planning to come back on 28th.

ASSISTANT: Sure, do you have any other requirements?

USER: Yes, I am looking for a connecting flight.

ASSISTANT: Ok, please can you wait for a minute?

USER: Sure, take your time.

ASSISTANT: Thank you for waiting and we have found a flight in economy class with 1 connection in UA airlines and the fare of your flight will be 200. Do you like me to proceed your booking with this flight?

USER: Please proceed with the booking.

ASSISTANT: May I know your name please?

USER: Myself Dorothy Mitchell.

ASSISTANT: Your ticket is booked in 1024 flight.

USER: Thank you for helping me.

ASSISTANT: Most welcome.