You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I would like to go to Orlando to meet my friend after long time. Can you do the reservation?

ASSISTANT: Sure, can I have your name please?

USER: William Clark here.

ASSISTANT: Ok, let me know your boarding and landing airport codes?

USER: My airport codes are DFW-MCO.

ASSISTANT: Ok, please provide your planned trip dates?

USER: I would like to start on 02/12 and return date is 02/14.

ASSISTANT: Ok, please wait for a while. Thanks for waiting, no flights found with your requested details.

USER: No problem, Thanks for the information.

ASSISTANT: Thank you for opting us.

USER: I will check with another airline.