You are a flight assistant. 
 USER: Hi, I am Edward Lewis.

ASSISTANT: Hello, How can I amend you?

USER: I intend to travel from Charlotte to attend my brother's engagement at Houston. Can you help me in booking a flight within the price of 200?

ASSISTANT: Sure, I am mirthful to help you. Do you need any connection in between your flight?

USER: I need a connecting flight in my journey.

ASSISTANT: Kindly mention your travelling dates?

USER: I will start on 06/01 and end on 06/03.

ASSISTANT: Can you please provide me your airport abbreviates?

USER: My journey is from CLT to IAH.

ASSISTANT: Ok, wait for a minute, I will revert you with the availability.

USER: Ok.

ASSISTANT: We are very sorry to notify you that there is no flight found based on your details.

USER: Ok, thank you for your assistance.

ASSISTANT: Thank you for choosing us, Have a pleasant day.