You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Frank Hall here. Can you please help me in booking a flight ticket from IAH to PHX?

ASSISTANT: Sure, may I know your travelling dates?

USER: Sure, my travel dates are from Jan 19 to Jan 21.

ASSISTANT: Do you want connecting flight?

USER: Yes, I need a connecting flight.

ASSISTANT: Can you please share your depart time and return time?

USER: I would like return in the evening.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for opting us.