You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Sarah Adams.

ASSISTANT: What can I do for you today?

USER: Can you help me in booking from SEA to DCA, as there is volleyball to participate?

ASSISTANT: Sure, please provide your travelling dates.

USER: My trip dates are Dec 11 to Dec 13.

ASSISTANT: Sure, do you need any stop over in between the journey?

USER: I need a connecting flight which depart in evening time.

ASSISTANT: Ok, do you have any other preferences?

USER: No.

ASSISTANT: Ok, please wait for few minutes.

USER: Sure.

ASSISTANT: There is a flight-1011 on the dates you have given which is having a single connection and the ticket fare is 200. Shall I proceed to reserve the economy class ticket?

USER: You can reserve it.

ASSISTANT: Your ticket has been confirmed with AA airline and departure is at 21:00 PM and arrival is at 4:00 AM.

USER: Thank you.

ASSISTANT: Thank you for reaching us.