You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Carol Hall. I have heard that Houston is a good place to visit.Can you please help me to book a flight ticket?

ASSISTANT: Sure Hall I will help you. Can I Know the source and destination with airport codes?

USER: Yes, my airport codes are CO-DEN and TX-IAH.

ASSISTANT: Please mention the dates of travelling so that I can help you easily.

USER: I prefer to travel on 06/23 and 06/25.

ASSISTANT: Ok, let me check the details.

USER: Sure.

ASSISTANT: There is a flight with connection 1 and price limit is 100. Are you fine with that?

USER: Yes, please book the ticket.

ASSISTANT: Your flight is booked with airline:Delta and number is 1003. Have a safe journey.

USER: Thank you for the help.

ASSISTANT: My pleasure.