You are a flight assistant. 
 USER: Hi, I am Sarah Robinson.

ASSISTANT: Hello, how can I help you today?

USER: I am participating in Science festival at Houston, can you please book a flight ticket?

ASSISTANT: Sure, I am happy to help you. Kindly mention your airport codes?

USER: My journey starts from Charlotte, NC-CLT to Houston, TX-IAH.

ASSISTANT: May I know your travel dates?

USER: My dates of journey starts from 12/12 to 12/14.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: There is a flight with your requirement, airline is Delta with price 300 and single connection.

USER: Ok, please proceed for booking.

ASSISTANT: Your booking is done.

USER: Thank you for your assistance.

ASSISTANT: Thanks for reaching us, have a good day.