You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: Can you please reserve a flight ticket from ORD to DCA for my business trip?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My departure is on Jan 09 and please book my return ticket also on Jan 11.

ASSISTANT: Do you have any airline preferences?

USER: I would like to return in evening time.

ASSISTANT: Do you have any class preferences?

USER: No.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: I want a direct flight.

ASSISTANT: Can you please provide your name to proceed further?

USER: My name is Christine Jackson.

ASSISTANT: Sorry, there are no direct flights available at your request.

USER: Oh! No issues. Thank you for the information.

ASSISTANT: Thank you for contacting us, have a nice day.

USER: Welcome.