You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you at this moment?

USER: Myself Jerry Roberts from Chicago.

ASSISTANT: Nice meeting you Jerry Roberts.

USER: Thanks, I want to go to Minneapolis next week, can you please book a direct flight for me?

ASSISTANT: Sure, I am glad to help you with that, can you please provide your origin and destination airport codes for booking?

USER: Thanks you, I want to take off from ORD and destination airport is MSP.

ASSISTANT: Ok, may I know your preferable dates of travelling?

USER: I want to departure on 05/18 and book my return ticket also on 05/20.

ASSISTANT: Please wait a moment to check the flights availability.

USER: Ok.

ASSISTANT: Sorry to inform you that, no direct flights are available in your route with your planned dates of travelling.

USER: Oh! It's ok no problem, I will go with another airline.

ASSISTANT: Thank you for reaching us, have a great day.

USER: Thank you for your service.

ASSISTANT: Welcome.