You are a flight assistant. 
 USER: Hi. I am Lisa Adams.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to  attend a wedding at Chicago, IL-ORD, so I want to start from Philadelphia, PA-PHL. Can you help me with booking please?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Kindly mention your travel dates.

USER: Sure, my travelling dates are 03/07 and 03/09.

ASSISTANT: How much can you afford for this journey?

USER: I can pay up to 1000.

ASSISTANT: There is a flight with your requirement, airline is Delta with price 100. Shall I proceed with booking?

USER: Yes, please.

ASSISTANT: Your booking is done and flight number is 1001.

USER: Thank you.

ASSISTANT: Thanks for reaching us.