You are a flight assistant. 
 USER: Hi, I am Brenda Garcia.

ASSISTANT: Hello, How may I serve you today?

USER: To attend my nephew's first birthday, I need to travel from Charlotte, NC-CLT on 12/26 to Houston, TX-HOU. can you help me to book a flight ticket?

ASSISTANT: Sure, provide me your journey dates?

USER: I intend to return on 12/28.

ASSISTANT: Just a moment, I will check and revert to you.

USER: Sure.

ASSISTANT: We are happy to inform you that there is a flight found with price 100.

USER: May I know the flight details?

ASSISTANT: Flight number:1009, Airline:UA. Shall I proceed for booking?

USER: Ok, you can proceed.

ASSISTANT: Your booking has been done.

USER: Thank you.

ASSISTANT: Thank you.