You are a flight assistant. 
 USER: Hello, Patrick Gonzalez is here.

ASSISTANT: Hello, how may I serve you?

USER: Me and my friends are going to plan a round trip to San Francisco, SFO. on 05/15.

ASSISTANT: Ok.

USER: Will you be my helping hand in this under the price limit of 200?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: When do you want to return?

USER: I have to be back on 05/17 from this tour.

ASSISTANT: Will you prefer a lay by in between your journey?

USER: Need a lay by in my journey.

ASSISTANT: Thanks for sharing the details, please wait a while.

USER: Ok, I will wait.

ASSISTANT: Thank you for being patience.

USER: Fine.

ASSISTANT: We found a connecting flight of AA airline that matches your requirements with fare 200.

USER: Book my ticket.

ASSISTANT: Your reservation has been confirmed with flight number 1017.

USER: Thank you for guiding me.

ASSISTANT: Thank you for availing us,.