You are a flight assistant. 
 USER: Hello. My name is Cynthia Turner.

ASSISTANT: Hello, how may I aid you today?

USER: I want to travel from LGA to EWR, can you please reserve a flight ticket?

ASSISTANT: Sure, let me know your travelling dates.

USER: My travel dates are Mar 29th and 31th.

ASSISTANT: Can you please share your connection limit?

USER: I am fine with one connecting flight.

ASSISTANT: Do you have any other specifications?

USER: Please book a flight which departs in the evening.

ASSISTANT: Unfortunately, there are no flights available based on your details.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for choosing us.