You are a flight assistant. 
 USER: Hello. I am Sarah Johnson.

ASSISTANT: Hello. How can I help you?

USER: I would like to visit Desert Botanical Garden to research on a plant, can you please book a flight?

ASSISTANT: Sure, will you provide your airport codes?

USER: Airport codes are SEA and PHX.

ASSISTANT: Please provide your travelling dates.

USER: Sure, my travel dates are 05/28 and 05/30. Please check with connection 1 and price under 200.

ASSISTANT: As per your request, there is a flight with price 100 and the connections 1 is available. Shall I proceed for booking?

USER: Ok, please proceed with booking.

ASSISTANT: Your ticket is booked.The flight number is 1021.

USER: Thank you for your help.

ASSISTANT: Welcome, have a great day.