You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you help me to book a flight ticket from DEN to CLT?

ASSISTANT: Sure, I am happy to help you. Can you please let me know your travelling dates?

USER: My travel dates are May 29 and May 31.

ASSISTANT: Do you have any break in between journey?

USER: I prefer lay by in between my journey.

ASSISTANT: Is there any other specifications for you?

USER: No.

ASSISTANT: May I know your good name?

USER: I am Anna Lee.

ASSISTANT: We found a connecting flight in Southwest airline with a fare of 200 which departs at 6:00 and return at 18:00. Shall I proceed for booking?

USER: Please proceed to book my flight ticket in this airlines.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1009.

USER: Thank you.

ASSISTANT: Thank you for opting us.