You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Can you please book a flight ticket from DFW to IAD?

ASSISTANT: Can you share your trip dates?

USER: Yes, my trip dates are Sept 01 and Sept 03.

ASSISTANT: Do you need any connections?

USER: Yes, I need a connecting flight.

ASSISTANT: Are there any other preferences?

USER: I want to depart in the morning.

ASSISTANT: May I know your name?

USER: My name is Laura Carter.

ASSISTANT: Sorry, there is no flight found with your details.

USER: That's ok, thank you for the response.

ASSISTANT: Thank you for reaching us.