You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I be of your assistance today?

USER: Can you book a flight ticket with the name of Stephanie Walker as I am planning to take my kids to Arizona desert on their vacation?

ASSISTANT: Sure, we are mirthful to aid you.

USER: Thank you.

ASSISTANT: Kindly assign your preferred dates of travelling?

USER: My preferable dates of journey is from 01/14 to 01/16.

ASSISTANT: To proceed with further booking I need your airport codes.

USER: I want to fly from Seattle, SEA. Phoenix, PHX is my landing point.

ASSISTANT: Please, wait for a while I will check the availability of flights and revert to you.

USER: Sure.

ASSISTANT: Thanks for your time. Unfortunately, there are no flight running to your route on your specified dates.

USER: It's ok, no problem. Thank you for your information.

ASSISTANT: Thank you for availing us.