You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Can you help me in booking my flight from Chicago to Seattle to attend my cousin's marriage.

ASSISTANT: Sure, I am perky to help you. Can you mention the travelling dates?

USER: I have planned to start on 12/26. My return date is on 12/28.

ASSISTANT: Ok. May I have your name? to proceed next.

USER: Sure, Lisa Collins here.

ASSISTANT: Shall I have your boarding and destination airport codes?

USER: My boarding point is IL-ORD, my landing point is WA-SEA.

ASSISTANT: Do you like to travel with a connecting flight?

USER: Sure, I prefer a connecting flight.

ASSISTANT: You have a Delta plane on particular day with a connecting flight. Your flight number is 1012. Can I proceed to book?

USER: Please proceed with booking.

ASSISTANT: Your reservation is confirmed with your name.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us, Have a great day.