You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I would like to travel from MSP to SFO as a holiday trip. Can you help me to book a ticket?

ASSISTANT: Sure, May I know your price limit?

USER: Price should not cross 500.

ASSISTANT: Ok, when do you want to depart and return?

USER: My journey dates are July 10th and July 12th.

ASSISTANT: Ok, Is there any class preferences?

USER: I am comfortable with any class.

ASSISTANT: Ok, May I know your name?

USER: Janet Brown here.

ASSISTANT: Thank you for providing details, There is a flight found in 1019 Southwest airline with a fare of 100. Can I proceed for booking in economy class?

USER: Please proceed.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for contacting us.