You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Richard Perez here. I would like travel to SFO from ORD.

ASSISTANT: Ok. Help me with the dates.

USER: The travel dates are from 08/20 to 08/22.

ASSISTANT: There is  a flight with airline AA and number is 1007. Can I book it?

USER: Yes, you can book my ticket.

ASSISTANT: Your ticket is booked. Have a safe flight.

USER: Thank you for your help.