You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you at this moment?

USER: I am planning to attend a Tennis competition in San Francisco SFO from PHX. Can you make a reservation for me?

ASSISTANT: Sure, I am here to help you. Can you please provide your journey dates?

USER: Thank you. My planned trip dates are on Sept 06 and return on Sept 08.

ASSISTANT: Do you have any connection limit preference?

USER: Yes, I need a single connecting flight.

ASSISTANT: Do you have any class preference for this journey?

USER: No, I don't have any other requirements.

ASSISTANT: Do you have any other specifications for this trip?

USER: No.

ASSISTANT: May I know your good name please?

USER: Ok, my name is Emma Gonzalez.

ASSISTANT: Emma Gonzalez, there are no flight services are available on this route on your provided dates.

USER: That's fine, not an problem. Thank you for your information.

ASSISTANT: Thank you for contacting us.