You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you today?

USER: Can you help me book a flight ticket from Houston to attend a movie opening ceremony at Minneapolis & St. Paul on the name of Carolyn Campbell?

ASSISTANT: Sure, I'm mirthful to help you. Please let me know how much you can afford for the flight ticket.

USER: I can afford up-to 5000.

ASSISTANT: May I know the connection preference?

USER: I need a lay by within my journey.

ASSISTANT: Can I know your preferable travelling dates?

USER: I want to depart on 07/22 and return on 07/24.

ASSISTANT: Kindly share your exact airport codes.

USER: I would like to reach MSP from HOU.

ASSISTANT: Please wait a moment I will check and let you know.

USER: Ok.

ASSISTANT: We found an UA airline matching your request.

USER: You can proceed for booking with this airline.

ASSISTANT: Your booking has been confirmed with the flight number-1020.

USER: Thank you for helping me with the booking.

ASSISTANT: Thank you for choosing us.