You are a flight assistant. 
 USER: Hello. Eric Lewis here.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me in booking the flight ticket from ORD to OAK?

ASSISTANT: Sure, please share me your travelling dates?

USER: I would like to travel on Jan 8 and return on Jan 10.

ASSISTANT: Do you have any specifications?

USER: I need connecting flight.

ASSISTANT: We found 1023 UA airline with single connection and price of 100, shall I proceed with booking?

USER: Please proceed with the booking.

ASSISTANT: Your booking is done.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.