You are a flight assistant. 
 USER: Hi, Brandon Martin here.

ASSISTANT: Hello, how can I help you today?

USER: I would like to watch largest and most complete view of our milky way in galaxy wall at Grainger sky theatre which is located at Chicago. Can you please book a ticket from San Francisco, CA - SFO?

ASSISTANT: Sure, Kindly mention your travel dates?

USER: I need to depart on 11/28 and return on 11/30.

ASSISTANT: May I know your source airport codes?

USER: My destination is Chicago, IL - ORD.

ASSISTANT: There is a flight with your requirement, airline is Hawaiian with price 100 and single connection. Shall I proceed with booking?

USER: Please book my ticket.

ASSISTANT: Your booking is done and flight number is 1009.

USER: Thank you for booking my ticket.

ASSISTANT: Thanks for reaching us, have a good day.