You are a flight assistant. 
 USER: Hello, I am Richard Campbell.

ASSISTANT: Hello, how can I assist you today?

USER: I need to fly Houston for my grand father's medical check up with our family doctor. Please help me with booking from DFW to IAH?

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

USER: Ok, my journey is from 09/08 to 09/10.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: I found a UA airline, flight number: 1007, price: 100 with one connection.

USER: Ok, go on with my booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thanks for your service.

ASSISTANT: Thank you.