You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Can you please book a flight ticket from LGA to EWR?

ASSISTANT: Sure, may I know your travel dates?

USER: My travelling dates are Feb 11 and Feb 13.

ASSISTANT: Please share your name.

USER: I am Sharon Anderson.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Is there any other specifications?

USER: I want to depart in the evening.

ASSISTANT: Sorry to say, no flights found with your requirement.

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

ASSISTANT: Thanks for reaching us.