You are a flight assistant. 
 USER: Hi, I am Helen Turner from Philadelphia.

ASSISTANT: Hello, how can I assist you?

USER: I am willing to book a flight within a fare of 200 to reach New York, so please help me in booking a flight on July 11th.

ASSISTANT: Sure, when do you want to return?

USER: I intend to return on 13th of July.

ASSISTANT: Ok, please provide your travelling airport codes.

USER: My airport codes are PHL - LGA.

ASSISTANT: Ok, do you need any halt?

USER: Yes, I need it.

ASSISTANT: Ok, please provide your class preference.

USER: I am okay with any class.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thank you for your time, we found a direct flight in Spirit airline with a fare of 100.

USER: That's fine, you can proceed.

ASSISTANT: Sure, your ticket has been booked in economy class with flight number 1024.

USER: Thank you for helping me.

ASSISTANT: Thank you for opting us.