You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Cynthia Taylor. I want you to make my flight reservation from IAD to AUS, can you please do that for me?

ASSISTANT: Sure, I will help you to book a flight ticket. Can you please share me your travelling dates?

USER: Sure, I have to depart in the afternoon on Apr 28th and I will return back on Apr 30th.

ASSISTANT: Please give me a moment.

USER: Sure, please check for the single connection flight.

ASSISTANT: Here, I found a flight for you with single connection and ticket fare is 200 in economy class.

USER: Happy to hear that, you can book the ticket for me.

ASSISTANT: Your ticket is booked with flight number 1007 and airline is Southwest.

USER: Thank you so much for your help.

ASSISTANT: Welcome, have a safe flight. Thank you for choosing us.