You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Melissa Thompson. Can you please help me in booking a flight ticket to LGA from PHX?

ASSISTANT: Sure, can you please share your travel dates?

USER: I would like to start on Jun 19 and return on Jun 21.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: I would like to depart in the afternoon.

ASSISTANT: Ok, please be on hold.

USER: Ok.

ASSISTANT: Sorry, there are no flights in this route as per your travelling details.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for reaching us.