You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I would like to reserve flight ticket from DCA to IAD, can you please help me?

ASSISTANT: Sure, can I know the trip dates please?

USER: My planned travelling dates are Oct, 05 and 07 respectively.

ASSISTANT: May I know your name please?

USER: Sure, I am Michelle Harris here.

ASSISTANT: Can I know the connection limit please?

USER: Flight has to be with a single connection.

ASSISTANT: Do you have any requirements?

USER: I prefer to return at morning.

ASSISTANT: Sorry, there are no flights available as per your request.

USER: Ok, not an issue.

ASSISTANT: Thank you for approaching us.

USER: Thank you for your information.