You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Raymond Lee.

ASSISTANT: How may I be of your service?

USER: I want to book a ticket from SEA - IAH. Can you please help me with book a ticket?

ASSISTANT: Sure,we are here to help you in booking.

USER: Thank you.

ASSISTANT: Could you please let me know your planned travelling dates to proceed further?

USER: I would like to start on 01/21 and return on 01/23.

ASSISTANT: Can I know your connection preference?

USER: I need a halt in between my journey.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a Delta airline matching your essential details with single connection and the fare 100.

USER: Please proceed to book.

ASSISTANT: Your seat has been confirmed with the flight number-1011.

USER: Thanks for your booking.

ASSISTANT: Thank you for choosing us.