You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Sarah Hill. I need to book a flight ticket from IAH to DFW, Can you please help me for booking?

ASSISTANT: Sure, can you share your journey dates?

USER: I would like to travel on 05/03 to 05/05.

ASSISTANT: Do you need any halt in between your journey?

USER: I need a connecting flight.

ASSISTANT: Sorry, there is no flight on your given dates.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thanks for your information.