You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Carol Lewis.

ASSISTANT: How can I assist you today?

USER: I am planning to book a ticket to attend a meeting at PHX. Can you please help me out to book a flight ticket from IAH?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: I am planning to travel on 07/03 and return back on 07/05.

ASSISTANT: Please give me a moment.

USER: Make sure my connection limit is 0.

ASSISTANT: Thanks for waiting, there is no flights under connections 0.

USER: That's fine. Thank you for your service.

ASSISTANT: Thanks for reaching us, have a great day.