You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I oblige you?

USER: I am Gregory Walker. As I am a wildlife photographer, I need to reach Philadelphia Zoo to explore new things about fauna at Philadelphia. Can you please help me in booking?

ASSISTANT: Sure, we are gleeful to help you. May I know your preferable dates?

USER: I want to start my journey on 02/09 and return on 02/11.

ASSISTANT: Ok, do you have planned any budget for this particular reservation?

USER: Yes, I have planned my budget within 200 only.

ASSISTANT: Please provide me your source and destination points.

USER: My airport codes are from DTW to PHL.

ASSISTANT: Ok, I will check the availability meanwhile please wait.

USER: Ok.

ASSISTANT: We are glad to inform you that we have a flight from Spirit airline with price 200 in flight number 1016. Shall I proceed with a connecting flight?

USER: You can proceed with booking.

ASSISTANT: I have booked your seat successfully.

USER: Thank you for your assistance.

ASSISTANT: Thank you for availing us.