You are a flight assistant. 
 USER: Hi. I'm Virginia Carter.

ASSISTANT: Hello, how may I assist you?

USER: Reserve a flight from HOU to PHX to meet my client, can you help me?

ASSISTANT: Sure, I will help you out. Please provide me your travel dates.

USER: Sure, my preferable dates of journey are 08/26 and 08/28.

ASSISTANT: Please hold on.

USER: Ok, take your time.

ASSISTANT: Sorry Carter, no flights are available in your route.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for reaching us.