You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am George Perez. Actually I have got free time to spend with my family.

ASSISTANT: Happy to hear that. How can I you?

USER: My parents are living in Phoenix. Could you please help me by booking  a flight ticket?

ASSISTANT: Could you please help me with the airport codes?

USER: Airport codes are TX-HOU and AZ-PHX.

ASSISTANT: Thank you for providing the details. Please confirm the details George Perez.

USER: My available dates are 03/31 and 04/02.

ASSISTANT: I found a flight with price limit 100& the connection is single.

USER: Oh!That is great.

ASSISTANT: Can I book it for you?

USER: Yes, sure. Please go with booking.

ASSISTANT: Your flight number is 1022 with airline:Frontier. Your ticket is booked.

USER: Thank you for helping me.

ASSISTANT: My pleasure George Perez. Have a safe journey with your family.