You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how best can I guide you today?

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

ASSISTANT: Sure, when are you planning to start and return on?

USER: I want to travel in the flight on Apr 07 and Apr 09.

ASSISTANT: Do you need a connecting flight?

USER: I want to have a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: I want to return in evening time.

ASSISTANT: Please share your good name.

USER: Jack Adams.

ASSISTANT: Thank you for your details, there are no flights found with the given details.

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

ASSISTANT: Thank you for opting us.