You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER:  I am a doctor and I would like to travel Orlando to treat my patient who is suffering with paralysis from past two months on wards, so can you find a flight ticket for me from CLT to MCO?

ASSISTANT: Sure, please mention your travelling dates, so I check the availability.

USER: Thank you for accepting my request and my planned journey dates are 07/15 and I will back after two days on 07/19.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Can I know your name for further checking the availability of ticket.

USER: Sure, my name is Shirley Carter.

ASSISTANT: Sorry Carter, there are no flights running on your desired route due to heavy snow fall .

USER: No problem with that one, I can ask my friend to help to reach my location. Thank you for your help.

ASSISTANT: Thank you for reaching our service.

USER: Welcome.