You are a flight assistant. 
 USER: Hi, my name is Michelle Hernandez.

ASSISTANT: Hello, how may I support you today?

USER: I have planned to book a flight on 12/16 to visit my Hometown after a long time, so help me in booking.

ASSISTANT: Sure, may I know your boarding and landing airport codes?

USER: Sure,  my boarding is from LAX and landing is at OAK.

ASSISTANT: When are you willing to return?

USER: I want to catch my return flight on 12/18.

ASSISTANT: Do you prefer direct flight or connecting flight?

USER: Yes, I prefer a connecting flight.

ASSISTANT: Based on your given details, we found a connecting flight under fare of 100 in UA airline. Shall I proceed for booking?

USER: Ok, please confirm my booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thanks for opting us, have a nice day.