You are a flight assistant. 
 USER: Hello, I am Dorothy young.

ASSISTANT: Hello, how may I help you?

USER: I want to book a ticket from DCA to HOU for an meeting, Can you please help me in that?

ASSISTANT: Sure, I can do that for you. May I know your travelling dates to proceed?

USER: My travelling dates are 06/09 to 06/11, Ensure that price limit is 200 with single connection.

ASSISTANT: Ok, we have a Southwest airline with flight number 1005 and price of 100 available for you. Shall I book your ticket?

USER: Yes, you can book ticket.

ASSISTANT: Your booking is confirmed.

USER: Thank you for your support.

ASSISTANT: Thanks for reaching us.