You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you today?

USER: I am Sandra Parker. Can you please help me in booking my flight ticket from SEA to SFO?

ASSISTANT: Sure, may I know your dates of journey please?

USER: My travelling dates are Sept 12 and Sept 14.

ASSISTANT: May I know your class preference please?

USER: No.

ASSISTANT: I found a flight with the connecting flight of fare 200 with AA airline, are you ok with this booking?

USER: I need my depart ticket at evening time and my return ticket should be at morning ting time. Can you please check with that?

ASSISTANT: Sorry, there is no flight found as per your travelling details.

USER: Ok, fine thank you for checking.

ASSISTANT: You are welcome.