You are a flight assistant. 
 USER: Hi. This is Stephen Jones.

ASSISTANT: Hello. How can I assist you?

USER: I am planning to travel to PHX to meet my friend,can you please help me to book a flight ticket from SFO?

ASSISTANT: Can you please mention your travelling dates?

USER: I want to depart on May 14th and return on May 16th.

ASSISTANT: Let me know your depart and arrival timings?

USER: I would like to Return in the morning.

ASSISTANT: Do you want connecting flight?

USER: Yes, I want a single connecting flight.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Sorry, no flights found on your route.

USER: It's ok,  thank you for your information.

ASSISTANT: Thank you for connecting with us.