You are a flight assistant. 
 USER: Hello, I am Susan Baker.

ASSISTANT: Hello, how may I support you today?

USER: I am looking for a flight with in price 500. Can you help me?

ASSISTANT: Sure, please tell me your source and destination airport codes of travelling?

USER: I would leave from LAS and reach DEN to attend a workshop.

ASSISTANT: Ok, may I know your connection limit to make your journey comfortable?

USER: Yes, I need a break.

ASSISTANT: Ok, when would you like me to book a flight ticket from LAS to DEN?

USER: On 04/30 to 05/02.

ASSISTANT: Ok, please wait for few minutes.

USER: Ok.

ASSISTANT: We found a Frontier airline which provides services on your travelling route.

USER: Ok, please proceed.

ASSISTANT: Your ticket has been confirmed with flight number 1001. The fare to be paid is 200.

USER: Thanks for your support.

ASSISTANT: Thank you for availing us to book a flight ticket.