You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: I am Ruth Nelson. Can you please book a flight ticket from LGA to PHX?

ASSISTANT: Sure, can you share me your travelling dates?

USER: I will start on Oct, 23 and return on Oct, 25.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry, no flights are available on your desired route.

USER: That's ok. Thank you.

ASSISTANT: Thank you for reaching us.