You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you?

USER: I am Ryan Miller. I want to book a flight ticket from SEA to HOU. Could you help me in booking?

ASSISTANT: Sure, can you share your trip dates?

USER: My travelling dates are from July 07-09.

ASSISTANT: Do you have any class preferences?

USER: No, I don't have any class preference.

ASSISTANT: There is a connecting flight with number 1005 in airline Delta, the fare is 100. Can I book it?

USER: Yes, please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.