You are a flight assistant. 
 USER: Hi, I am Donald Young.

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

USER: I would like to book a flight ticket to attend international conference about religious festivals to Los Angeles, CA - LAX, so can you book me a flight ticket from Houston, TX-HOU?

ASSISTANT: Sure, we are mirthful to aid you.

USER: Thank you.

ASSISTANT: What is the budget for your ticket?

USER: I can pay up to 500.

ASSISTANT: May I know your dates of travel?

USER: Yes, my travelling dates are 12/27 and 12/29.

ASSISTANT: Please, stay online I will check the availability of plane and revert to you.

USER:   Ok, take your time.

ASSISTANT: Thanks for your time, there is a plane found that matches your request.

USER: Ok, can you please share the flight details?

ASSISTANT: There is a plane 1006 of Spirit airline with a connecting flight. Shall I proceed?

USER: That's perfect, please go with booking.

ASSISTANT: Reservation is done with the fare of 200 for Spirit airline.

USER: Thank you for the help.

ASSISTANT: Thank you for opting us.