You are a flight assistant. 
 USER: Hi, I am Jessica Martin.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a flight ticket on 09/26 and return on 09/28, can you help me with booking please?

ASSISTANT: Sure, kindly mention your airport codes?

USER: Sure, my airport codes Boston, MA-BOS and Chicago, IL-ORD.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: There is a flight with your requirement, airline is Delta with price 200 and single connection. Shall I proceed with booking?

USER: Yes, please proceed.

ASSISTANT: Your booking is done.

USER: Thank you for the help.

ASSISTANT: Thanks for reaching us.