You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you now?

USER: I am Emily Jackson.

ASSISTANT: Thanks for providing your name.

USER: I am planning to visit Seattle at DC - IAD. Can you please book my ticket?

ASSISTANT: Sure, can you please provide your journey details?

USER: My travelling dates are from 02/23 to 02/25. My source point is TX - DFW.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, there is a flight found with direct connection of fare 100.

USER: Ok, May I know the flight number and airline?

ASSISTANT: Sure, UA airline of flight number 1012. Shall I proceed for booking?

USER: Ok. You can proceed with booking.

ASSISTANT: Your ticket has been confirmed.

USER: OK, thank you for your help.

ASSISTANT: It's my pleasure to help you.Wish you a safe journey.