You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: I am willing to book a flight ticket which costs 200.

ASSISTANT: Sure, please provide me your details for your journey?

USER: I want to travel Seattle, WA - SEA on 06/30 to accomplish my project there.

ASSISTANT: May I know your name?

USER: I am Sandra Martinez.

ASSISTANT: Share your destination, and return date?

USER: Probably, my destination is WA - SEA. And, my return date is 07/02.

ASSISTANT: Sorry, no flights found.

USER: It's ok fine with me.

ASSISTANT: Thank you for reaching us.

USER: I will go with another service. Most welcome.