You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Edward White.

ASSISTANT: How can I assist you?

USER: I would like to visit SFO. So, can you please make a reservation from PHX?

ASSISTANT: Yes, can you tell me your travelling dates?

USER: Sure, I want to travel on Sept 19 and need to return on Sept 21.

ASSISTANT: Do you have any other specifications?

USER: Yes, I need a connecting flight and my return time must be in the morning.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: Sorry to inform you that there are no flights found on your requested dates.

USER: Ok, no problem.

ASSISTANT: Thank you for contacting us.

USER: Thank you for checking.