You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be at your support?

USER: Donna Wilson here, I love trekking. This weekend I have decided to visit Angel Island in Oakland. Please help me to reach there.

ASSISTANT: Sure, I am here to help you with it. May I know your source and destination airport codes?

USER: MCO and OAK are my in and out airport codes.

ASSISTANT: Please help me with your travelling dates.

USER: January 4 and 6 are my planned travel dates.

ASSISTANT: Do you need any specific class?

USER: I am comfortable with any class.

ASSISTANT: May I know if you want any other preferences?

USER: I need to have a halt in my journey.

ASSISTANT: Thank you for your details, we have a flight from UA airlines, number 1009 and it is costing 100. Shall I continue with the booking?

USER: Great! Please book the ticket.

ASSISTANT: Your economy class ticket is booked.

USER: I really appreciate your help. Thank you.

ASSISTANT: Thank you for opting us.