You are a flight assistant. 
 USER: Hi, I am Samantha Williams.

ASSISTANT: Hello, how can I assist you today?

USER: Can you please help me with booking a flight ticket from Charlotte with price under 200?

ASSISTANT: Sure, may I know your source and destination airport codes?

USER: Airport codes are CLT and PHX.

ASSISTANT: Can you please share your planned travel dates?

USER: Travel dates are 07/10 and 07/12.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: We found a Frontier airline, flight number: 1000, price: 100 with one connection.

USER: You can proceed with booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for the help.

ASSISTANT: Thank you for opting us.