You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. In which way I can help you?

USER: I am planning a trip to visit Greenwood Urban Wetlands in Orlando this weekend, can you help me in booking a ticket from Dallas?

ASSISTANT: Sure I will help you.

USER: Thank you.

ASSISTANT: On which dates you like to start your journey?

USER: I am departing on 12/21 and I want to return on 12/23.

ASSISTANT: May I know your airport codes please.

USER: My departure is from Dallas DFW airport and land in Orlando MCO airport.

ASSISTANT: May I know your name please?

USER: My name is Kimbrethy Taylor.

ASSISTANT: I am sorry to say no flights available on your route.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for reaching us.

USER: Thank you for opting us.