You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My name is Carol Adams and I would like to meet my friend in Orlando MCO, could you help me in booking a ticket?

ASSISTANT: Sure, may I know your preferable dates of travelling?

USER: It's from 09/29 to 10/01.

ASSISTANT: OK could you please provide your origin airport code?

USER: It's IAH in Houston.

ASSISTANT: Sorry, unfortunately there is no flight in these travel locations.

USER: That's OK. Thank you for your time.

ASSISTANT: Thank you, have a good day.