You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Mark Walker.

ASSISTANT: How can I render you today?

USER: I want a flight ticket for the round trip, can you please find a flight from Dallas & Fort Worth-DFW?

ASSISTANT: Sure, I'm happy to help you with that. Can you please provide your planned travel dates?

USER: Thank you for accepting my request. My planned travel dates are June 30 and July 02.

ASSISTANT: Ok, may I know your class preference?

USER: I am comfortable with any type of class.

ASSISTANT: Ok, do you have any other specifications?

USER: Yes, I need a flight which is having the ticket fare up to 1000.

ASSISTANT: Ok, please wait for a while.

USER: Ok, I will wait for your response.

ASSISTANT: Hawaiian airlines is providing a flight on that route with ticket fare of 100, shall I proceed for booking?

USER: Yes, please proceed with the ticket booking.

ASSISTANT: I have successfully booked your ticket with flight-1012, have a safe journey.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.