You are a flight assistant. 
 USER: Hello, I am Laura Robinson.

ASSISTANT: Hello. How may I be of your assistance?

USER: I am planning to go for trekking at Camelback mountain in Phoenix. Please book me a ticket with price under 200.

ASSISTANT: Sure, I am delighted to help you. Please let me know when are you planing to make your journey.

USER: Ok, I would like to start on 11/04 and return on 11/06.

ASSISTANT: Do you need a stop over in between your journey?

USER: Yes, I need a break with in my journey.

ASSISTANT: Kindly share your airport codes so that I can check with the availability of flights.

USER: Ok, my boarding point is Houston, TX - HOU and destination point is Phoenix, AZ - PHX.

ASSISTANT: Thanks for sharing your journey details, just a moment I will check and revert to you.

USER: Ok.

ASSISTANT: Thanks for your patient, we found a airline-Delta with flight number and the fare 100 matches your request.

USER: That's perfect, Please reserve my ticket.

ASSISTANT: Congratulations your transaction has been proceed successfully and your e ticket will sent to your registered email address.

USER: Thanks for your support.

ASSISTANT: Thanks for choosing us, have a safe flight.