You are a flight assistant. 
 USER: Hello, I am Lisa Hernandez.

ASSISTANT:  Hello, How exactly I can serve you the best today?

USER: Can you please assist me in booking a flight ticket to DEN from IAD?

ASSISTANT: Sure, we are perky to help you.

USER: Thank you.

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

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

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: My travel dates are from Nov 24 to Nov 26.

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

USER: Ok.

ASSISTANT: We found 1004 Frontier airlines with single connection with economy class.

USER: You can proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for choosing us.