You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I would like to meet my brother at Houston. Can you help me in booking a ticket?

ASSISTANT: Sure, I can help you. Can you please share your airport codes?

USER: The source and destination airport codes are DCA and IAH.

ASSISTANT: Ok, when do you want to travel?

USER: The planned journey dates are 08/09 and 08/11.

ASSISTANT: Ok, I will check the flight. In the meanwhile, can I have your name please?

USER: My name is Davis Davis.

ASSISTANT: The southwest airlines is available in the dates you have given, the connection limit of this flight is 1 and the price is 100. Can I proceed?

USER: Sure, please book the ticket.

ASSISTANT: Ok, I have reserved your flight ticket with the flight number 1001.

USER: Thank you for your assistance.

ASSISTANT: You are most welcome, thank you for reaching us.