You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I provide assistance to you?

USER: Can you please book a flight ticket from SEA to BOS?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Thank you. I have planned my travel dates as May 09 and May 11.

ASSISTANT: Do you have any preferences?

USER: I am looking for single connecting flight so please check with that.

ASSISTANT: Ok, may I know your name?

USER: Sure, myself Elizabeth Moore.

ASSISTANT: Please wait for couple of minutes.

USER: Sure, take your time.

ASSISTANT: An airline American Airlines with flight number 1021 having an economy class with single connection. Shall I reserve your ticket?

USER: That is fine, please proceed with booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.