You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I support you?

USER: I am Paul Lopez. I am excited to go Haunted Pub tour at Washington, can you help me with booking a flight?

ASSISTANT: Sure, we are rapturous to help you.

USER: Thank you.

ASSISTANT: May I know your price limit?

USER: Price limit is 5000.

ASSISTANT: Ok, please let me know your scheduled dates of your journey.

USER: I want to travel on 02/04, and need to catch return flight on 02/06.

ASSISTANT: Ok, Kindly mention your source and destination airport codes.

USER: It is a round to Washington, DC - IAD.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for your time, we found a connecting flight in 1005 Hawaiian plane with a fare of 100. Can I proceed for booking?

USER: Please do not proceed, I need a direct flight.

ASSISTANT: Ok.

USER: Thanks for the information.

ASSISTANT: Thank you for opting us.