You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I am Nancy Rodriguez. I want to book  a flight ticket from IL-ORD to CA-SFO.

ASSISTANT: Sure, may I know your trip dates?

USER: 03/05 and 03/07 are my travelling dates.

ASSISTANT: There is a connecting flight with number 1027 in airline Delta.

USER: You can reserve it.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for opting us.