You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I am Betty Allen. I need a direct flight to attend an emergency case .Can you help me?

ASSISTANT: Sure, when are you willing to travel?

USER: 05/29 and 05/31 are my travelling dates.

ASSISTANT: Ok, let me know your airport codes?

USER: DFW and MCO are my airport codes.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting, no flights found with your requested details.

USER: No issue.

ASSISTANT: Thank you for opting us.

USER: Thank you.