You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am Janet Thompson. I need to book a flight ticket to meet my grand parents at San Francisco. Could you please book a flight ticket from Las Vegas?

ASSISTANT: Sure, may I know your travelling dates please?

USER: I want to board on 08/03 and return on 08/05.

ASSISTANT: Help me with airport codes?

USER: My airport codes are NV-LAS and CA-SFO.

ASSISTANT: Any other specifications?

USER: I need a halt in between the journey.

ASSISTANT: Thanks for your details, we found a connecting flight under fare of 100 in Delta airline. Shall I proceed for booking?

USER: You can proceed with booking.

ASSISTANT: Your ticket has been booked with in flight number 1007.

USER: Thank you for your help.

ASSISTANT: Thanks for opting us. Have a safe journey.