You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Susan Taylor.

ASSISTANT:  How can I aid you?

USER: I want to book a ticket to attend beer festival at Washington with my friends. Can you book a connecting flight?

ASSISTANT: Ok, provide me your travelling dates?

USER: Trip dates are on 01/19 and 01/21.

ASSISTANT:  May I know your travel points?

USER: Yes, my boarding and landing points are SEA and DCA.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT:  We found airline Frontier with flight number 1011 and price is 100.

USER: You can book the ticket.

ASSISTANT: Your booking is done.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.