You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I help you?

USER: As I am planning to Phoenix to participate in phoenix hot air balloon ride. Can you help out in booking my flight ticket from HOU with a direct flight?

ASSISTANT: Sure, please provide your destination code.

USER: My destination code is PHX.

ASSISTANT: Can you please provide your travel dates?

USER: I will fly on 12/26 and recur on 12/28.

ASSISTANT: Do you have any specifications in price and connection?

USER: Price range of my ticket should be 1000.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry, there is no direct flight from your source location.

USER: Ok, no issue.

ASSISTANT: Thank you for availing us. May I know your name?

USER: I am Stephen young. Thank you for assisting me.

ASSISTANT: Thank you.