You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know your good name please?

USER: My name is Anna Rodriguez.

ASSISTANT: Ok, how can I render you?

USER: Being a cardiologist I need to treat an emergency case at Philadelphia, PA-PHL, can you help me to book a flight ticket?

ASSISTANT: Sure, we are rapturous to help you. Please provide your nearest airport code to depart.

USER: I need to leave from Minneapolis, MN-MSP.

ASSISTANT: Let me know if you prefer any connections within your journey.

USER: It's a emergency case so I need a direct flight.

ASSISTANT: Could you please mention your planned dates of travel to proceed further?

USER: I will depart on 10/30 and I think I will return with in two days that is on 11/01.

ASSISTANT: Ok, thank you for sharing your details. Please wait a while, I will check and get back to your.

USER: Ok, make sure that I need the ticket within the price limit 1000.

ASSISTANT: Thank you for being patient.

USER: Ok.

ASSISTANT: There are no flights found according to your journey points as the runway has been closed due to heavy snowfall.

USER: Ok, no problem. I'll choose another alternative.

ASSISTANT: Thank you for being with us and have a great day.

USER: Thanks for your information.