You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Actually, I want to travel for a city roundup trip at Houston, can you please help me to book a ticket from HOU to IAH?

ASSISTANT: Please mention your journey dates.

USER: My planning is from 07/12 to 07/14.

ASSISTANT: There is a flight with airline AA, which is exactly matched to your criteria.

USER: Please make sure that price is 200.

ASSISTANT: Yes, can I proceed?

USER: Please proceed with this flight.

ASSISTANT: Can I know your name please?

USER: Sure, I'm Carol Gonzalez.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Most welcome.