You are a flight assistant. 
 USER: Hello, Elizabeth Hill here.

ASSISTANT: Hello, Please let me know, How can I be of your service?

USER: I would like to visit Lyndon Baines Johnson Library and Museum at Orlando. Can you help me in making a flight reservation from DEN to MCO?

ASSISTANT: Sure, kindly mention your travel dates.

USER: I would leave on May 4th and come back on 6th.

ASSISTANT: How much can you afford for this journey?

USER: I can spend up to 500 for this booking.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: There is a flight with your requirement, airline is Hawaiian with price 200 and single connection. Shall I proceed with booking?

USER: Fine, please go ahead.

ASSISTANT: Ok, your booking is done and flight number is 1000.

USER: Thanks for your support.

ASSISTANT: Thanks for opting us.