You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Elizabeth Lee.

ASSISTANT: How can I assist you today?

USER: I need to book a flight ticket from LAS to PHL, can you please help me for booking?

ASSISTANT: Sure, I am here to aid you.

USER: Thank you.

ASSISTANT: Please share the journey dates.

USER: I would like to travel on 06/14 to 0616.

ASSISTANT: Can you please specify other requirements?

USER: I need a connecting flight.

ASSISTANT: Ok, Thanks for sharing the details. Please wait for a minute, I will search and revert to you.

USER: Sure.

ASSISTANT: Thanks for waiting, we are sorry to inform you that no flights will run on specific routes.

USER: Ok, no problem.

ASSISTANT: Ok.

USER: Thanks for your information.

ASSISTANT: Thanks for reaching us.