You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Jerry Gonzalez here. I need to reserve a ticket from LGA to BOS, can you help me?

ASSISTANT: Sure, may I know your travelling dates?

USER: My trip dates are May 15 to 17.

ASSISTANT: Can I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any class limit?

USER: No.

ASSISTANT: May I know your other specifications?

USER: My return time is in evening.

ASSISTANT: Sorry, there are no flights available on your requirements.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for reaching us.