You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I want to reserve my ticket from EWR to SFO to visit San Francisco, can you please help me in booking?

ASSISTANT: Sure, may I know your travelling dates?

USER: Sure, my planned dates of journey are from Jan, 14 to Jan, 16.

ASSISTANT: Do you have any connection limit?

USER: Yes, I want to fly in a connecting flight.

ASSISTANT: Any other requirements to be met?

USER: No.

ASSISTANT: May I know your good name?

USER: Sure, my name is Catherine Collins.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Anyways, thank you for your service.