You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: William Taylor is here.

ASSISTANT: How can I serve you?

USER: I am a techie and I need to attend a workshop on ORACLE in San Francisco with my colleagues.

ASSISTANT: Ok.

USER: Can you please help me with this?

ASSISTANT: Sure. May I know your travelling dates?

USER: My travelling dates are 10/15 and 10/17.

ASSISTANT: Can you share me your airport codes?

USER: ORD and SFO are my airport codes.

ASSISTANT: Please wait.

USER: OK.

ASSISTANT: There is a flight 1001 in UA airline and price 100 with a connection. Shall I proceed?

USER: Ok, please proceed to book.

ASSISTANT: Reservation is done.

USER: Thanks for the help..

ASSISTANT: Thank you.