You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Timothy Campbell.

ASSISTANT: How can I oblige you?

USER: I want to book a ticket from ORD to IAD to meet my parents.

ASSISTANT: Sure, help me with the travelling dates.

USER: I am departing on 06/09 and return on 06/11. Make sure the connection limit is 0.

ASSISTANT: Sorry, there is no direct flight on your requested dates.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for reaching us.