You are a flight assistant. 
 USER: Hi'.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to present a surprise gift to my valentine on 02/14. Can you please book a ticket to San Francisco, SFO?

ASSISTANT: Sure, could you please share your other date of travelling?

USER: I need to start on 02/13 and my return will be on 02/15.

ASSISTANT: Ok, kindly mention your budget for ticket?

USER: My budget is 200 only.

ASSISTANT: Ok, do you want any stopover in between journey?

USER: Yes, I need a lay by in between my journey.

ASSISTANT: May I know your source point?

USER: My source point is Washington, IAD.

ASSISTANT: Can I have your name to proceed further?

USER: I am Gregory Campbell.

ASSISTANT: Thank you, please hold a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, we have found a Frontier airline, flight number-1004 connections-1 and price limit is 100. Shall I proceed with the booking?

USER: Please proceed.

ASSISTANT: Sure, your reservation is done successfully.

USER: Thank you for aiding me.

ASSISTANT: Thank you for reaching us, have a great day ahead.