You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: I want to meet my sister-in-law, so please book my ticket from SFO to IAD.

ASSISTANT: Sure, can you share your trip dates?

USER: My itinerary dates are 09/26 and 09/28.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: There is a connecting flight with number 1021 in airline Spirit, the fare is 100.

USER: Please book the ticket on the name of Margaret Campbell.

ASSISTANT: Your ticket is booked.

USER: Thank you for your assistance.

ASSISTANT: Thank you for opting us.