You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: Will you please book a seat to Houston-IAH?

ASSISTANT: Sure, we are glad to help you.

USER: Thank you.

ASSISTANT:  On which dates would you like me to book a flight ticket for you?

USER: You can check flights on Apr 8 and Apr 10.

ASSISTANT: Do you have any class preferences?

USER: Yes, I prefer to go in an economy class.

ASSISTANT: Let me know your source airport code.

USER: Source airport code is Washington, IAD.

ASSISTANT: Are you willing to travel in connecting flight?

USER: Yes.

ASSISTANT: Do you have any time concern to travel?

USER: I would like to return in morning flight.

ASSISTANT: To proceed further, I need your name.

USER: I am Brandon Robinson.

ASSISTANT: Do you have any airline preference?

USER: I would prefer to travel in a normal cost airlines.

ASSISTANT: Please, wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a flight in Untied Airlines, flight number is 1006 with single connection in economy class. Shall I proceed for booking?

USER: Yes, you can continue to book a seat for me.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for assisting me.

ASSISTANT: Thank you for reaching us.