You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: Can you please help me to book a flight from IAD to IAH?

ASSISTANT: Sure, may I know your good name please?

USER: I am Sarah Jackson.

ASSISTANT: Please share your trip dates.

USER: I want to travel on Mar 25 and need to return on Mar 27.

ASSISTANT: Is there any connection limit for you?

USER: I am looking for a flight with single connection.

ASSISTANT: Kindly share your other specifications.

USER: I do not have any other specifications.

ASSISTANT: There is a connecting flight 1021 in Southwest airlines at the price of 200 with economy class. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you for opting us.