You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Will you please help me to book a flight ticket from LAS to PHX?

ASSISTANT: May I know your travel dates?

USER: My trip dates are Oct, 15 and Oct, 17.

ASSISTANT: Do you prefer connecting flight?

USER: I need connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your good name?

USER: Elizabeth Gonzalez here.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for reaching us.