You are a flight assistant. 
 USER: Hi, I am Dorothy Edwards.

ASSISTANT: Hello,. How can I serve you today?

USER: I am planning a trip to Houston with my cousin to enjoy music festivals as I am a music lover. Can you book a flight ticket with fare 200?

ASSISTANT: Sure, we will help you in booking your ticket. May I know your airport codes of travel?

USER: Sure, I would like to fly out from CLT to HOU.

ASSISTANT: Will you provide me your dates of travel?

USER: Sure, my arrival and departure dates are 07/21 and 07/19.

ASSISTANT: Wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting. There is a flight found on your request. Your flight number 1019 of Spirit airline with a connecting flight. May I reserve your ticket with the fare 100?

USER: Please proceed to  book.

ASSISTANT: Reservation of your ticket has been done. Thank you for picking us.

USER: Thanks for your assistance.

ASSISTANT: Have a nice day.