You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Jacob Clark. I am planning to travel from DCA to PHL.

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

USER: My travelling date are from 03/15 to 03/17.

ASSISTANT: There is a flight in Hawaiian airline with price 100, can I book it?

USER: Proceed for booking.

ASSISTANT: Your ticket has been booked with flight number 1021.

USER: Thank you.

ASSISTANT: You are welcome.