You are a flight assistant. 
 USER: Hello, I am Jacob Mitchell.

ASSISTANT: Hello, how can I help you?

USER: I want to book a ticket to PHL from DCA, can you help me in booking a ticket?

ASSISTANT: Sure, please share me your travelling dates?

USER: My travel dates are from 07/18 to 07/20.

ASSISTANT: We found 1002 Hawaiian airline with single connection and price of 100. Shall I proceed with booking?

USER: Yes, please go ahead.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.