You are a flight assistant. 
 USER: Hello, I am Timothy Thomson.

ASSISTANT: Hello, how may I assist you?

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

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know when would you like to travel?

USER: I want to travel on 09/27, and need to catch return flight on 09/29.

ASSISTANT: Please share your journey points?

USER: Source is from PHX and destination is to DCA.

ASSISTANT: Do you have any specifications?

USER: Make sure to check a flight with in a price limit of 1000.

ASSISTANT: Ok, please wait a moment I will check and get back to you.

USER: Sure.

ASSISTANT: We found a flight 1004 of UA airline with a halt and fare is 100. Shall I proceed with booking?

USER: Please proceed with the booking.

ASSISTANT: Your booking has been processed.

USER: Thanks for the kind help.