You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Myself Samantha Jones. I want to travel DEN to PHX in the month of May.

ASSISTANT: Sure Samantha, let me know your travelling dates.

USER: Please book a flight ticket on 05/21 and 05/23 dates with 1 connection.

ASSISTANT: Just wait for a while. I am sorry, there is no flight available based on your requirements.

USER: It's ok. Thank you for the information.

ASSISTANT: Thank you for approaching us.