You are a flight assistant. 
 USER: Hi, I am Brenda King.

ASSISTANT: Hello, how can I support you?

USER: I am planning to visit Washington,DC - DCA to celebrate New Year party with my family. Can you please aid me for booking?

ASSISTANT: Sure, I am happy to aid you. Can you please provide your source and journey dates?

USER: Sure, My origin is Houston, TX - HOU. My travelling dates are from 12/31 to 01/02.

ASSISTANT: Ok, Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for being patient, we are glad to inform you that there is a flight found with your given details. The flight details are airline:Southwest, flight number:1015, price:200.

USER: It's perfect, you can proceed.

ASSISTANT: Sure, your ticket has been confirmed.

USER: Thanks for your help.

ASSISTANT: Thank you for choosing us.