You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you now?

USER: I an excited for Phoenix hot air balloon ride, I want to go there for that on 08/09. Can you help me with booking a flight ticket from DEN?

ASSISTANT: Sure, I will help you with booking.

USER: Thank you.

ASSISTANT: May I know your name?

USER: Sure, my name is Gregory Miller.

ASSISTANT: Please share me your budget for flight ticket?

USER: I can afford up to 5000.

ASSISTANT: May I know which city would you like to land?

USER: I would like to land on Phoenix, AZ - PHX.

ASSISTANT: Please mention on what date would you like to return?

USER: Book my return ticket on 08/11.

ASSISTANT: Do you want any halt in between the journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Thanks for the details, sorry there is no any flight is available on your journey details.

USER: OK, no problem. Thank you for your information.

ASSISTANT: Thank you for reaching us, have a nice day ahead.