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

ASSISTANT: Hello, how can I help you?

USER: Could you please help me in reserving a flight ticket to Orlando, MCO as I am planning to attend for my brother's engagement?

ASSISTANT: Sure, please share me your travelling dates?

USER: My preferable dates of journey are 11/17 to 11/19.

ASSISTANT: Kindly assign me your source code?

USER: I would like to board from Charlotte, CLT.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a lay by.

ASSISTANT: Thanks for your details, we found 1018 Frontier airline with single connection and price of 300. Shall I proceed with booking?

USER: No, do not proceed.

ASSISTANT: OK.

USER: I can afford only 200. Thank you for your information.

ASSISTANT: Thank you.