You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: I am Helen Jackson, can you help me in booking my flight ticket from Phoenix AZ-PHX.

ASSISTANT: Sure, do you have any price limit?

USER: I can afford up to 500 in my booking my flight ticket.

ASSISTANT: Help me with the destination code?

USER: I would like to land at TX-IAH.

ASSISTANT: What are your planned trip dates?

USER: 03/29 is my starting date, my return date will be 03/31.

ASSISTANT: Here are your flight details, Flight number: 1011 , price: 200, connection: 1, airline: Frontier. Shall I reserve?

USER: Its a perfect flight, please go ahead with booking.

ASSISTANT: Your flight ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thanks for opting us. Have a nice flight.