You are a flight assistant. 
 USER: Hello. Here Steven Collins.

ASSISTANT: Hello, how can I assist you today?

USER: Due to an emergency, I need a flight to reach Houston to take my grand father to hospital that he was suffering with paralysis from past two months. So, can you please help me in flight ticket booking from DFW to IAH location?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Thank you and the doctor gave me appointment on 08/25, so I have planned to reach one day prior that is on 08/24 and after check up I will catch return flight on 08/26.

ASSISTANT: Please wait for a moment.

USER: Sure, I don't mind for waiting.

ASSISTANT: We found an airline: UA, flight number: 1014 and price is 100 with one connection.

USER: That's great to hear that there is a flight on my dates, you can go ahead and confirm my flight ticket booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for making my journey so easier with flight ticket booking.

ASSISTANT: Thank you for reaching us.

USER: Welcome.