You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I want to book a flight ticket for a business trip, could you help me for booking a ticket?

ASSISTANT: Sure. Please tell me your travel dates.

USER: My departure date is 01/18 and my return date is 01/20.

ASSISTANT: Before proceeding, please provide me your name.

USER: I am Matthew Rodriguez.

ASSISTANT: Please give me your travel airport codes.

USER: My origin airport code is OAK and destination airport code is DEN.

ASSISTANT: There is a flight available based on your details. Can I proceed?

USER: Ok, proceed.

ASSISTANT: Your ticket is confirmed. Have a safe journey. Thank you.

USER: Thank you.