You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Edward Thomas.

ASSISTANT: How can I provide service to you?

USER: I need to book a flight ticket from MSP to IAD, Can you please help me for booking?

ASSISTANT: Sure. May I know your travelling dates? Do you have any preferences?

USER: I would like to travel on 01/23 to return on 01/25. I need a connecting flight.

ASSISTANT: There is a flight 1002 in UA airline and price 200 with a connection. Shall I proceed?

USER: Ok, proceed for booking.

ASSISTANT: Your seat is reserved.

USER: Thanks for your information.

ASSISTANT: Thank you.