You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Kimberly Nelson. I am planning to go for twilight tour with my friends at Washington, DCA. Can you help me in booking a flight ticket?

ASSISTANT: Sure, can I know your preferable dates?

USER: I prefer to start my journey on 03/25 and return on 03/27.

ASSISTANT: Ok, let me know your source airport code?

USER: My boarding airport code is Houston, HOU.

ASSISTANT: We found a flight from Frontier airline with 1 connection and fare is 100. Shall I proceed?

USER: Please, proceed.

ASSISTANT: Your ticket is booked and flight number is 1029.

USER: Thank you for assisting  me.

ASSISTANT: Thank you for reaching us.