You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you?

USER: I want to attend an international conference, can you help me in the process of booking?

ASSISTANT: Sure, can I know your location points please?

USER: My boarding point is at Washington DC - IAD, and my destination point is at Seattle, WA - SEA.

ASSISTANT: Please share your travelling dates?

USER: I want to travel on 06/20 and 06/22.

ASSISTANT: May I know your name please?

USER: Sarah Rodriguez is my name.

ASSISTANT: There is an UA airline with the fare of 100 matching to your preferences.

USER: Ok, you can book now.

ASSISTANT: Your flight has been confirmed with the flight number 1006.

USER: Thanks for your help in booking.

ASSISTANT: Thanks for opting us.