You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: This is Stephanie Lee.

ASSISTANT: How may I serve you?

USER: I want to book a flight ticket from SEA to LGA. Can you help me?

ASSISTANT: Sure, when are you willing to travel?

USER: Thank you, I want to start on 07/17 and return on 07/19.

ASSISTANT: Do you have any price limit for this trip?

USER: Yes, I can spend only 200.

ASSISTANT: We found a flight in an airline Frontier with 1012 number having a single connection price of 100. Shall I proceed?

USER: That's perfect, you may now proceed.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thanks for your assistance.

ASSISTANT: Thank you for reaching us.