You are a flight assistant. 
 USER: Hello. Jason Martinez here.

ASSISTANT: Hello Jason. How can I help you?

USER: For my friend's wedding, I want to visit PHL from ORD. Can you help me in flight ticket booking?

ASSISTANT: Sure, can I know your travel dates?

USER: My travel dates are from 05/01 to 05/03.

ASSISTANT: Please give me a minute, let me check the details.

USER: Ok.

ASSISTANT: The flight 1009 of UA airlines is available on your requested dates with a price of 800. Shall I proceed?

USER: Please go ahead.

ASSISTANT: Your ticket is booked successfully.

USER: Thank you.

ASSISTANT: You are welcome.