You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Samuel Williams. I want to book a ticket from HOU to SFO, hope you are helping me out.

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

USER: Ok, my preferable dates are from July 10 to 12.

ASSISTANT: Do you have any specifications?

USER: Yes, I want to departure in the evening time with single connection.

ASSISTANT: I found an economy class ticket in AA airlines with low cost of 300 and it is a single connecting flight. Can I book your ticket?

USER: Please confirm it.

ASSISTANT: Your ticket is booked with flight 1008.

USER: Thank you.

ASSISTANT: You are welcome.