You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Thomas Hernandez, planning to visit Phoenix to meet my friend. Can you please book me a ticket from HOU to PHX?

ASSISTANT: Sure, may I know your journey dates for booking?

USER: My preferable journey dates are from 06/20 to 06/22.

ASSISTANT: Do you have any specifications?

USER: Yes, I need 1 connection limit flight on this route.

ASSISTANT: Give me a minute.

USER: Sure, take your time.

ASSISTANT: Sorry, there is no flight found on your given dates.

USER: Ok, not an issue. I will find any alternate for this trip.

ASSISTANT: Thank you for choosing us.

USER: Thank you for providing information.