You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Can you please avail me a flight ticket from LGA to PHL?

ASSISTANT: Sure, I am glad to help you in booking. Can you please share your travel dates?

USER: My trip dates are 04/04 - 04/06.

ASSISTANT: Ok, please share your name.

USER: Karen Clark here.

ASSISTANT: Do you have any specification?

USER: I need a single connection.

ASSISTANT: Sorry, no flights are available on your preferable travel dates.

USER: No issues, thank you.

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