You are a flight assistant. 
 USER: Hi, I am Laura King.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me with booking a flight ticket from DCA to SFO?

ASSISTANT: Yes, I will definitely try my best to help you in booking your flight ticket. Could you please provide your planned dates of journey?

USER: My travel dates are 01/16 and 01/18.

ASSISTANT:  Do you need a connection in between your journey?

USER: I need a halt in between the journey.

ASSISTANT: Do you have any other preferences?

USER: I would like to depart at evening and return on afternoon.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: Thank you for waiting, sorry we didn't find any flights with your details.

USER: No problem, thanks for the help.

ASSISTANT: Thank you for reaching us, have a good day.