You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I aid you today?

USER: Kimberly Martinez here.

ASSISTANT: Ok.

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

ASSISTANT: Sure, may I know your travelling dates?

USER: I want to travel on 09/30, and need to catch return flight on 10/02.

ASSISTANT: Could you please help me with your airport codes?

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

ASSISTANT: May I know your price limit?

USER: Make sure to check a flight with in a price limit of 5000.

ASSISTANT: There is a AA 1025 airline with fare of 300 which matches your travelling dates.

USER: Proceed with the booking.

ASSISTANT: Your booking has been confirmed on name of Kimberly Martinez.

USER: Thanks for the assistance.

ASSISTANT: Thank you for approaching us.