You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,.

USER: I am Michelle Garcia.

ASSISTANT: How can I provide assistance to you?

USER: I wish to visit National Gallery Of Art which is at Washington, DC - IAD. Can you please reserve me a flight ticket from Los Angeles, CA - LAX?

ASSISTANT: Sure, do you prefer a direct flight or connected flight?

USER: I need a single connection.

ASSISTANT: How much should be your ticket fare?

USER: My affordable price is 200.

ASSISTANT: May I know your planned journey dates?

USER: I wish to start on 08/10 and intend to return on 08/12.

ASSISTANT: Ok, please hold on. I will get back to you with flight details.

USER: Sure.

ASSISTANT: Thanks for being patience.

USER: My pleasure.

ASSISTANT: Unfortunately, no flights are available in your route due to heavy snow - storms.

USER: That's ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for opting us. Have a pleasant day.