You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Dorothy Evans.

ASSISTANT: How can I amend you today?

USER: I would like to attend a robotics workshop at New York, NY - LGA. Can you please book a ticket with a price limit of 500?

ASSISTANT: Sure, we will help you. Can you provide me your source code?

USER: I need to fly from SEA.

ASSISTANT: When did you planned your journey?

USER: I have to depart on 01/17 and return on 01/19.

ASSISTANT: There is a connecting flight found to your request. Your flight number 1026 of UA airline and charge of the ticket is 200.

USER: Please proceed with booking.

ASSISTANT: Reservation of your ticket has been done.

USER: Thank you.

ASSISTANT: Thank you for reaching us.