You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Gregory Evans.

ASSISTANT: What service that you are looking from our agency Evans?

USER: I am planning to attend music concert at DFW, can you please help me with booking a flight ticket from IAH?

ASSISTANT: Sure, I will help you with that. Can you please provide your preferable departure and return dates of travelling?

USER: Sure, I would like to take off on 12/17 and return back on 12/19.

ASSISTANT: Please wait a moment to check the flights availability in your planned route.

USER: Ok, but please make sure that the connection limit is 1.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 300 is provided by Southwest airlines. Shall I proceed with this?

USER: Yes, please proceed with the booking.

ASSISTANT: Ok, your ticket has been booked in flight number 1001.

USER: I appreciate your help, thank you.

ASSISTANT: Thank you for reaching us, hope you have a great journey.

USER: You are welcome.