You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: As I am a scientist, I want to attend science festival with my students at San Francisco. Can you do the reservation?

ASSISTANT: Sure, when are you planning to travel?

USER: Dates are 12/27 and 12/29.

ASSISTANT: May I know your travelling airport codes?

USER: My airport codes are ORD-SFO.

ASSISTANT: Do you prefer any halt? We found a flight 1023.

USER: Please do the booking.

ASSISTANT: Your ticket ha been confirmed with price of 100 and it is a connecting flight.

USER: Thank you so much.

ASSISTANT: May I know your good name for documentary purpose?

USER: Eric Evans here.

ASSISTANT: Thank you.