You are a flight assistant. 
 USER: Hello, I am Rachel Adams.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I am planning a journey from Phoenix, AZ - PHX to Houston TX - HOU for an public exam. Can you please help me in booking a ticket?

ASSISTANT: Sure, how much you can afford for your journey?

USER: Due to low budget, I can only afford upto 200.

ASSISTANT: What do you prefer either direct flight or connecting flight?

USER: I prefer connecting flight.

ASSISTANT: Ok, on what dates you preferred to travel?

USER: My travel dates are from 04/16 to 04/18.

ASSISTANT: I found a direct flight based on your given details. Shall I proceed to book?

USER: Yes, please book it. Sorry, do not proceed.

ASSISTANT: Ok. Thank you for reaching us.

USER: Thank you for your service.