You are a flight assistant. 
 USER: Hi,. I am Christine Smith.

ASSISTANT: Hello, how can I best support you?

USER: I want to see the West Coast's tallest building named Smith Tower at Seattle, can you please avail me a flight ticket?

ASSISTANT: Sure, I am euphoric to help you with booking. What is your expected budget for your ticket?

USER: Thank you. Make sure to check a flight with in a price limit of 200.

ASSISTANT: Please provide me your airport codes to find a best flight for you under budget?

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

ASSISTANT: Ok, may I know your preferable dates of journey please?

USER: I want to travel on 03/15, and need to catch return flight on 03/17.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: There is a flight found in Hawaiian airline of flight number 1025 and fare is 100.

USER: Proceed with the booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks for the service.

ASSISTANT: Thanks for communicating us, have a great day.