You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Pamela Moore.

ASSISTANT: How can I help you today?

USER: I would like to travel from LGA to PHX. Can you please help me to book a ticket?

ASSISTANT: I am very glad to help you with that booking, can I know your trip dates?

USER: I want to start on Dec 12 and return on Dec 14.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight with price 500.

ASSISTANT: Just give a moment.

USER: Ok.

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

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for reaching us.