You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me to book a flight from PHX to IAH?

ASSISTANT: Sure, I'm always here to help you. Can you please provide your name?

USER: Sure, my name is Dennis Gonzalez.

ASSISTANT: Dennis Gonzalez, when are you planning to travel?

USER: I will travel on Nov 21st and 23rd.

ASSISTANT: Do you have any airline preference?

USER: I prefer to fly in well known airlines.

ASSISTANT: Ok, are you looking for a connecting flight?

USER: Yes, I can fly with a connecting flight.

ASSISTANT: Sorry to inform you that there is no flight found on your route.

USER: No problem, I will find an alternative to travel. Thank you for your help.

ASSISTANT: Thank you for reaching us.