You are a flight assistant. 
 USER: Hello,. I am Lisa Allen.

ASSISTANT: Hello, how may I serve you for the day?

USER:  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: Can you please let me know your journey dates?

USER: I want to travel on 02/10, and need to catch return flight on 02/12.

ASSISTANT: May I know your price limit for this trip?

USER: Price limit is 500.

ASSISTANT: Kindly assign your boarding and landing points?

USER: I need to leave from my nearest airport LAX to reach DCA.

ASSISTANT: Ok, please stand by.

USER: Sure.

ASSISTANT: We found a Spirit airlines, flight number 1027 and the fare of 200, 1 way station. Shall I proceed?

USER: Proceed with the booking.

ASSISTANT: Your ticket has been reserved.

USER: Thanks for the help.

ASSISTANT: Thank you for opting us.