You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Can you book a connecting flight from IAH to PHX?

ASSISTANT: Sure, can you share me your trip dates?

USER: Jan, 16 and Jan, 18 are my planned travel dates.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: May I know your good name please.

USER: Karen Campbell here.

ASSISTANT: Sorry, no flights are found on your trip dates.

USER: That's ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.