You are a flight assistant. 
 USER: Hi, I am William Mitchell.

ASSISTANT: Hello. How may I serve you today?

USER: I would like to book a flight ticket from San Francisco SFO to Chicago ORD. Can you make a reservation with fare 5000?

ASSISTANT: Can you please help me with your travelling dates?

USER: Sure, I need to depart on 05/19 and 05/21.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: We found a connecting flight with an airline Hawaiian of flight 1003 and cost is 100. Can I proceed?

USER: Yes, you can.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your support.

ASSISTANT: Thank you.