You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Nancy Mitchell.

ASSISTANT: How can I help you?

USER: Could you please help me with booking a afternoon return time flight?

ASSISTANT: Sure. Can you share your airport codes?

USER: Sure, I want to board from BOS and land at ORD.

ASSISTANT: Please give me your travelling dates for reservation.

USER: Sure, my travelling dates are Sep 20 and Sep 22.

ASSISTANT: Do you have any requirements?

USER: I need a break in between the journey.

ASSISTANT: There is a connecting flight in economy class with Delta airlines and ticket fare of 100. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Your ticket is confirmed with 1007.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.