You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. What type of service you are expecting from us?

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

ASSISTANT: Sure, I am happy to help you with that. Can I know your planned trip dates?

USER: My planned journey dates are Dec 10 and 12.

ASSISTANT: May I know your connection limit?

USER: I need a break in between my journey.

ASSISTANT: Can I know your name?

USER: Melissa Thompson here.

ASSISTANT: May I know your source code?

USER: My source is from Charlotte, CLT.

ASSISTANT: Is there any other requirements?

USER: I want to depart in the morning time.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Sorry to say that, there are no flights available based on your travelling dates.

USER: Ok, thank you.

ASSISTANT: Thank you for reaching us.