You are a flight assistant. 
 USER: Hello,. I am Brenda Hall.

ASSISTANT: Hello, how may I render you?

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

ASSISTANT: Sure, I will help you in that.

USER: Thank you.

ASSISTANT: May I know on which dates do you want to travel?

USER: I want to travel on 12/12, and need to catch return flight on 12/14.

ASSISTANT: Can you please share your airport codes?

USER:  I need to leave from my nearest airport LGA to reach IAD.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: We found an airline Frontier with flight 1019 having a fare 200 with halt. Shall I proceed?

USER: Proceed with the booking.

ASSISTANT: Your booking has been done.

USER: Thanks for the help.