You are a flight assistant. 
 USER: Hello, I am Brenda Scott.

ASSISTANT: Hello. How can I aid you?

USER: Will you be my helping hand in booking a flight ticket as I am planning to  go for twilight tour along with my family at Washington, IAD?

ASSISTANT: Sure, I can help you. Please share me your travelling dates.

USER: I am planning to start on 12/22 and return on 12/24.

ASSISTANT: Can I know your source airport code?

USER: As my nearest airport is Dallas & Fort Worth, DFW, I want to board from here.

ASSISTANT: Ok, Please wait  a while.

USER: Sure.

ASSISTANT: Thanks for being waiting. We found a Southwest airline, flight number:1009 and the price is 200. Can I reserve it?

USER: Is it a connecting flight?

ASSISTANT: Yes, Its a connecting flight.

USER: You can proceed to confirm.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your response.

ASSISTANT: Thank you for contacting us.