You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I render you today?

USER: I am Kevin Williams.

ASSISTANT: Ok.

USER: Can you help me booking a flight ticket from SFO to IAD?

ASSISTANT: Sure, we are perky to help you.

USER: Thank you.

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

USER: I need a break in my journey.

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

USER: I will start on July, 18 and return on July, 20.

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

USER: Sure.

ASSISTANT: We found 1003 Delta airlines with single connection with economy class.

USER: Please proceed with the  booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.