You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: Can you please aid me to reserve a flight ticket from Houston to Orlando?

ASSISTANT: Sure, May I know the journey dates?

USER: Thank you. I would like to travel on the dates of Nov/28 and Nov/30.

ASSISTANT: Please help me with your journey codes.

USER: The preferable journey airport codes are IAH and MCO.

ASSISTANT: Do you have any connection limit?

USER: I prefer a single connecting flight to travel.

ASSISTANT: Do you have any class preference?

USER: I am comfortable to travel in a business class flight.

ASSISTANT: May I know your name?

USER: My name is Jason Thomas.

ASSISTANT: Please wait a minute.

USER: Ok, take your time.

ASSISTANT: Sorry, No flights found with your preferable dates.

USER: It's ok, not a problem with that. Thank you for your time.

ASSISTANT: Thank you for availing us.