You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you at this moment?

USER: Please help me to book a flight ticket from MCO to DFW.

ASSISTANT: Sure, I am here to help you. May I know your travel dates, please?

USER: Thank you, my trip dates are from May, 07 to May, 09.

ASSISTANT: Let me know about your connection limit.

USER: I need a single connecting flight.

ASSISTANT: May I know your class preference?

USER: I prefer an economy class to fly.

ASSISTANT: Do you have any more specifications?

USER: I need to depart and return time should be in the morning.

ASSISTANT: Provide me your name, to check for the availability of flights.

USER: Sure. My name is Donna Baker.

ASSISTANT: Sorry to say that, there are no flights running on that routes due to abnormal weather conditions.

USER: Thanks for your information.

ASSISTANT: Thanks for reaching us.