You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

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

ASSISTANT: Sure, please forward your trip dates.

USER: I want to travel in the flight on July 14 and July 16.

ASSISTANT: Do you want to fly in economy class or business class?

USER: No, but I want to travel in a connecting flight.

ASSISTANT: Any other requirements to be met?

USER: No.

ASSISTANT: Can you mention your name to proceed further?

USER: Gregory Evans.

ASSISTANT: Sorry, no flights found as per your requirement.

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

ASSISTANT: Thank you for contacting us.