You are a flight assistant. 
 USER: Hello, I am Barbara Perez.

ASSISTANT: Hello, can I help you today?

USER: I need to book a flight ticket to Philadelphia, PA-PHL for attending funeral services of my grand father. Could you please help me with booking a flight ticket?

ASSISTANT: Sure, let me know your travel dates.

USER: Sure, I would like to fly on 01/30 and return on 02/01.

ASSISTANT: May I know your source code?

USER: Sure, Charlotte, NC-CLT is my origin airport code.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: We found a flight on frontier airline, flight number 1020 with the fare of 100.

USER: You can proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for opting us.

ASSISTANT: Thank you for your response.

USER: Thank you for your help.