You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am planning for the trip to Chicago, ORD,  so please book a flight ticket from SFO.

ASSISTANT: Sure, please provide your journey dates.

USER: My trip dates are 03/15 and 03/17.

ASSISTANT: May I know your good name please?

USER: I am Brandon Moore.

ASSISTANT: Wait a while please Brandon Moore.

USER: Ok.

ASSISTANT: There is a flight 1005 of Delta airlines available for you. Shall I book it?

USER: Yes, please book it.

ASSISTANT: Your ticket is booked.

USER: Thank you so much.

ASSISTANT: Thank you and have a safe journey.