You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: I am Robert Thomas, can you help me to book a flight from PHX to IAH?

ASSISTANT: Sure, can you please share your travel dates?

USER: My travelling dates are Apr 23 and Apr 25.

ASSISTANT: Do you have any class preferences?

USER: No.

ASSISTANT: Robert Thomas, there is a flight available with price 100 and the connection is 1 with AA airline. Would you like me to proceed with the booking?

USER: Proceed with booking.

ASSISTANT: Your booking is confirmed with 1017 flight number.

USER: Thank you.

ASSISTANT: You are welcome. Thank you for reaching us.