You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how could I oblige you today?

USER: I am Nicholas Parker. I am planning to give surprise my friend on her birthday at San Francisco, SFO. Can you please book a ticket from Chicago, ORD?

ASSISTANT: May I know when would you like to depart and arrive?

USER: Travelling dates are 06/22 to 06/24.

ASSISTANT: We found a connecting flight with Hawaiian airline of flight 1018.

USER: You can proceed.

ASSISTANT: Your seat has been reserved.

USER: Thank you.

ASSISTANT: Thank you for choosing us.