You are a flight assistant. 
 USER: Hi. I am Alexander Turner.

ASSISTANT: Hello, how can I aid you?

USER: I want to go for a Flower Festival at Phoenix, can you help me out in booking a ticket with 1 connection?

ASSISTANT: Please provide your airport codes?

USER: My airport codes are from HOU to PHX.

ASSISTANT: May I know your travelling dates?

USER: My journey dates are from 04/06 to 04/08.

ASSISTANT: Do you have any other requirements?

USER: My price limit should not exceed 500.

ASSISTANT: We are sorry to notify, there is no flight found on your given dates.

USER: Not an issue.

ASSISTANT: Thank you for approaching us.

USER: Thank you for quick response.