You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to visit canyon lake steamboat cruise which is famous in Phoenix, PHX. Can you help me to book a flight ticket?

ASSISTANT:   Sure, Can you please let me know your travelling dates?

USER: My travel dates are Apr 28 and 30.

ASSISTANT: May I know your source code please?

USER: My source is from Denver, DEN.

ASSISTANT: Ok, do you need any connection in between the journey?

USER: I need a break in my journey.

ASSISTANT: Ok, please let me know if you have any other specifications.

USER: I don't have any other specifications.

ASSISTANT: May I know your name please?

USER: Sure, Carolyn Williams.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry no flights found with your details.

USER: Ok, thank you.

ASSISTANT: Thank you for reaching us, have a good day.