You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I'm planning to visit Disney world, can you please book the ticket from ORD to IAD?

ASSISTANT: Sure, I am blissful to help you. Can you please provide me your dates?

USER: Sure, my planned departure and return travel dates are 26th and 28th of June.

ASSISTANT: To proceed further, can I know your good name please?

USER: My name is Karen Perez.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I prefer single connected flight to travel.

ASSISTANT:  Would you let us know if you have any other preferences?

USER: I don't have any other specifications.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: Oh! That's ok, thank you for giving the information anyways.

ASSISTANT: Thank you for choosing us.