You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Brian Roberts.

ASSISTANT: How may I guide you?

USER: My friend has invited to attend a birthday party at North Carolina. Can you help me in booking a ticket?

ASSISTANT: Sure, please help me with your journey dates.

USER: I am planning my journey on dates 05/13 and 05/15.

ASSISTANT: Can you please share your airport codes?

USER: The airport codes are BOS and CLT respectively.

ASSISTANT: There is a flight for you in Frontier airlines with price 100. Can I proceed?

USER: Sure, you can proceed.

ASSISTANT: Ok, your ticket has been booked with flight number 1013.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing our service.