You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I support you?

USER: Can you help me to book a flight ticket in the month of July on 15 and 17?

ASSISTANT: Sure, May I know your source and destination points?

USER: My source is from DEN and landing is at PHX.

ASSISTANT: Ok, Do you have any class preference?

USER: No.

ASSISTANT: Ok, Kindly mention your connection limit.

USER: I need a break in my journey.

ASSISTANT: Ok, please wait.

USER: Sure, I will wait, but I want to return in the afternoon time.

ASSISTANT: Thank you for your time, There were no flights found with your given details.

USER: Ok, no issues.

ASSISTANT: May I know your good name?

USER: Dennis Gonzalez here.

ASSISTANT: Thank you for contacting us.

USER: Thanks for the information.