Hi. I am David Hill.
user
Hello, how can I aid you today?
assistant
 I would like to enjoy with my friends at phoenix hot air balloon ride. Can you help me in my booking?
user
Sure, could you share your airport codes?
assistant
My source airport code is Houston, TX - IAH. My destination is Phoenix, AZ - PHX.
user
When do you want to travel?
assistant
I will start my journey on 06/01. I will return on 06/03.
user
How much you can afford?
assistant
I can pay up to 500.
user
Please wait a minute.
assistant
Sure, I will wait for your response.
user
Sorry, currently there are no flights available to your destination point.
assistant
Not an issue. Thank you for your kind information.
user
Thank you for choosing us.
assistant