You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I render you today?

USER: I am Michael Evans.

ASSISTANT: Ok.

USER: I would like to spend Christmas festival with my family in  Washington, DCA. Can you please book a flight ticket on 12/24?

ASSISTANT: Sure, I would be happy to help you.

USER: Thank you.

ASSISTANT: Kindly mention your arrival date.

USER: I would like to return back on 12/26.

ASSISTANT:  Can you please provide your take off airport code?

USER: My take off airport is Seattle, SEA.

ASSISTANT: Do you prefer any halt in between your journey?

USER: Yes, I need a halt in between journey.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT: Thanks for your precious time. We found Jet Blue airline fare of 100. Shall I proceed for booking with single stopover flight?

USER: Ok. Confirm my ticket with this airlines.

ASSISTANT: Your ticket has been confirmed with airline number 1021.

USER: Thank you for your assistance.

ASSISTANT: Thank you for approaching us.