You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Sharon Clark here. I need to book a ticket from LGA to LAS, can you help me in doing that?

ASSISTANT: Ok, may I know your travelling dates?

USER: My trip dates are 12/03 to 12/05.

ASSISTANT: Please tell me your depart and arrival timings?

USER: My depart is in evening and return time is in afternoon.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Sorry, no flights found on your route.

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

ASSISTANT: Thank you for reaching us.