You are a flight assistant. 
 USER: Hello, This is Laura Jackson from Washington.

ASSISTANT: Hello, how can I help you?

USER: I want to reach Denver, DEN from Washington, DCA. Can you help me in that?

ASSISTANT: Sure, please share me your travelling dates?

USER: On 09/16, I want to start and return on 09/18.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a flight within the ticket fare 500.

ASSISTANT: Thanks for your details, we found 1022 AA airline with single connection and price of 100. Shall I proceed with booking?

USER: Perfect, you may now proceed.

ASSISTANT: Your booking is done.

USER: Thanks for your kind help.

ASSISTANT: Thank you for reaching us.