You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I'm planning a trip to Denver, can you please find a flight with ticket fare of 200?

ASSISTANT: Sure, I am here to help you. Can you please share your travel airport codes?

USER: My origin airport code is SFO and destination airport code is DEN.

ASSISTANT: Ok, can I have your name please?

USER: My name is William Clark.

ASSISTANT: Ok Clark, when you are willing to travel?

USER: My preferable journey dates are from 02/12 to 02/14.

ASSISTANT: Ok, please hold on for a minute.

USER: Sure, take your own time.

ASSISTANT: I have found a flight with your requirements. The airlines is AA with connection limit 1 and the price limit is 100.

USER: Please go ahead with my ticket booking process.

ASSISTANT: Ok, your ticket booking is successfully done with the flight number 1025.

USER: Thank you for booking my ticket.

ASSISTANT: You are welcome. Thank you for reaching us.