You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I am Ryan Wright. I am looking for a flight from Houston, can you book me the flight ticket from HOU to SEA?

ASSISTANT: Sure, may I know your planned travel dates to check for the flight availability?

USER: My travel dates are from Apr 9th till Apr 11th.

ASSISTANT: Do you have nay specifications?

USER: I need to take off my flight in afternoon.

ASSISTANT: Here, I found a flight with 1 connection for the afternoon flight and airfare is about 100. Shall I proceed in booking?

USER: Ok, please proceed with it.

ASSISTANT: In an economy class, your ticket has been confirmed for the flight 1020 in UA airlines.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.