You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,.

USER: Please book a flight from Seattle, SEA.

ASSISTANT: How can I support you?

USER: I need a connecting flight.

ASSISTANT: Sure, please provide your travelling dates?

USER: 12/21 to 12/23 are the trip dates.

ASSISTANT: Ok, where you want to travel?

USER: Washington, DCA is the landing place to attend the comic con show.

ASSISTANT: I found a Delta airline with price of 200 and flight number 1011. Shall I proceed?

USER: Sure, You can confirm my ticket.

ASSISTANT: Your flight reservation is processed.

USER: Thank you.

ASSISTANT: May I know your good name?

USER: I am Emily Gonzalez.

ASSISTANT: Thanks for connecting with us.