You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Larry Clark. I need to attend a meeting with my business shareholders at MCO, can you help me with booking a economy class?

ASSISTANT: Sure, may I know your travel dates?

USER: My travel dates are Apr 14 and Apr 16.

ASSISTANT: Please let me know your origin airport code?

USER: My origin airport code is IAD.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Sorry, there were no flights found on your route.

USER: Ok, no issues.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.