You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Can you please help me to search a flight from MA-BOS to IL-ORD?

ASSISTANT: Sure, can I know the travel dates please?

USER: The travel dates are 12/28 to 12/30.

ASSISTANT: There is a flight in Southwest airline with price 100.

USER: Yes, proceed with my booking on the name of Sandra Williams.

ASSISTANT: Your ticket has been booked with flight number 1011.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.