You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I want to travel from JFK to IAD. Can you help me to book a flight ticket?

ASSISTANT: Sure, may I know your travelling dates?

USER: I want to fly in the flight on June 01 and June 03.

ASSISTANT: Do you have any connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: May I know your other specifications, if any?

USER: I want to return in afternoon time.

ASSISTANT: Let me know your name to proceed further.

USER: Anthony Miller.

ASSISTANT: Sorry,  we have not found any flights running on your desired routes.

USER: That's ok. Anyways, thank you.

ASSISTANT: Thank you for reaching us.