You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: My name is Paul Taylor. I am looking to book a flight ticket to meet my friend in San Francisco. Can you help me for booking a flight ticket from LGA to SFO?

ASSISTANT: Sure, please help me with your journey dates.

USER: My travelling dates are Jan 24 and Jan 26.

ASSISTANT: Ok, Do you have any class preference?

USER: Any class is fine for me.

ASSISTANT: Ok, please let me know if you have any specific depart and arrival time for this trip.

USER: My departure time is morning.

ASSISTANT: Ok, Do you have any other specifications?

USER: I need a single connecting flight.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Thank you for your patience, we did not find any flights with your given details.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for opting us.

USER: Welcome.