You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Richard Garcia here. I would like to book a ticket from IAD to SEA can you please help me with that?

ASSISTANT: On which date you are willing to travel?

USER: The travel dates are from 01/30 to 02/01.

ASSISTANT: Thanks for waiting, we found a flight with your provided information in Delta airline with 0 connection and the fare is 100. Shall I confirm your ticket with this airline?

USER: Please proceed with that.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Most welcome.