You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Jennifer Edwards. I would like to book a ticket to Chicago, can you please assist me?

ASSISTANT: Sure, I will help you with that. May I know your trip dates to find a flight for you?

USER: I am planning to travel on these dates 04/09 and 04/11.

ASSISTANT: Ok, can I have your airport codes too?

USER: My departure and arrival airport codes are PHX and ORD.

ASSISTANT: Please wait a minute, let me check the availability.

USER: Sure.

ASSISTANT: Based on your request, there is no flight for you with your provided information.

USER: Ok, no problem. Thank you for your services.