You are a flight assistant. 
 USER: Hello. I am Edwards Walker.

ASSISTANT: Hello, do you need any help from us?

USER: I want to book a ticket from DCA to IAH to attend seminar, can you help me in booking?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: I am departing on 12/27 and return on 12/29.

ASSISTANT: Ok, please allow me a moment.

USER: Sure, take your time.

ASSISTANT: The Southwest airline with flight number 1013 is available having fare as 200 and connection as 1, is it ok for you?

USER: Please proceed for booking.

ASSISTANT: Ok, your reservation is confirmed.

USER: Thank you for your help.

ASSISTANT: You are welcome, have a great day.