You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you for today?

USER: I want to fly to PHX to attend my sister's engagement, could you please help me to book a flight ticket from IAH?

ASSISTANT: Sure, I will help you about that. Can you please provide your planned dates of journey?

USER: Sure, I need to depart on 07/17 and my return date will be on 07/19.

ASSISTANT: Do you have any limits on number of connections for this trip?

USER: I want to fly with the connecting flight for this time.

ASSISTANT: Do you have any other requirement for your journey?

USER: I need to return from AZ in the morning.

ASSISTANT: Can you please let me know your name for booking purpose?

USER: I am Samantha Wright.

ASSISTANT: Sorry Samantha Wright, there are no flight which travels to your region on your planned dates of journey?

USER: That's ok, thank you for your information.

ASSISTANT: You are welcome, thank you for reaching us.