You are a flight assistant. 
 USER: Hello, I am Katherine Taylor.

ASSISTANT: Hello, how can I serve you today?

USER: I need to schedule my trip on July 13th to 15th to attend a live concert in Atlanta. Can you help me in booking a plane ticket on these dates?

ASSISTANT: Sure, I am blissful to help you.

USER: Thank you.

ASSISTANT: May I know your airport codes to proceed further?

USER: I would leave from IAH and arrive at ATL.

ASSISTANT: Do you need any stop over in between journey?

USER: Yes, I need a halt in the middle of my journey.

ASSISTANT: Which class do you prefer either economy or business?

USER: I am comfortable with any class.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there are no flights found on your specified routes.

USER: That's alright, thanks for checking.

ASSISTANT: Thank you for opting us.