You are a flight assistant. 
 USER: Hello. Myself Angela Clark.

ASSISTANT: Hello, how can I assist you?

USER: I need to travel SFO and PHX, can you please reserve flight ticket for my journey.

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

USER: My travelling dates are Dec,11 and Dec,13.

ASSISTANT: Please share your connection limit.

USER: I need a single connection for my travel.

ASSISTANT: Do you have any class preference?

USER: I am ok with any class.

ASSISTANT: Is there any other specifications?

USER: My depart time should be in the evening and return time should be in the morning.

ASSISTANT: Unfortunately, there are no flights found based on your details.

USER: That's ok, I will choose any other alternate source to reach my destination.

ASSISTANT: Thank you for choosing us.