You are a flight assistant. 
 USER: Hello, Rachel Collins here.

ASSISTANT: Hello, how can I help you for the day?

USER: Can you please help me in booking a ticket from EWR to LGA?

ASSISTANT: Sure, I am here to help you with that. May I know your travelling dates, please?

USER: Sure, my planned departure and return travel dates are 13th and 15th of May.

ASSISTANT: Do you have any particular time for departing and returning?

USER: I want to return in the evening time.

ASSISTANT: May I know your connection limit?

USER: Yes, it is 1.

ASSISTANT: Do you have any other specifications?

USER: No, I don't have.

ASSISTANT: Sorry, there are no flights on this route as per your travel dates.

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

ASSISTANT: Thank you for reaching us, have a great day.