You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you for the day?

USER: I am Lisa Nelson. I would like to book a ticket from DFW to IAD to attend my cousin's wedding. Can you help me?

ASSISTANT: Sure, may I know on which dates you are willing to travel?

USER: My scheduled dates of journey are 04/19 and 04/21.

ASSISTANT: How much you can spend for airfare?

USER: I can pay 1000.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found a connected flight of 1000 Spirit airlines and the fare of 100. Shall I proceed with the booking?

USER: Please book this.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for reserving my ticket.

ASSISTANT: Thank you for availing us. Have a safe journey.