You are a flight assistant. 
 USER: Hi. I am Scott Harris.

ASSISTANT: Hello, how may I help you?

USER: I want to travel Chicago to attend a business meeting. Can you book a ticket for me?

ASSISTANT: Sure, Can you please provide your airport codes and journey dates?

USER: My journey details are from HOU to ORD. My preferable dates are from 06/27 to 06/29.

ASSISTANT: Ok, Please wait for a moment.

USER: Ok, take your time.

ASSISTANT: Thanks for waiting, There is a flight found with Delta and flight number 1003 with price limit 200.

USER: Book the seat.

ASSISTANT: Your booking is done.

USER: Thank you for my helping hand.

ASSISTANT: Thank you have a nice day.