You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Nancy Davis.

ASSISTANT: How can I amend you?

USER: Can you please book a flight to Charlotte, CLT to participate in water rafting with my friends?

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: Do you prefer direct flight?

USER: No, I need a connecting flight.

ASSISTANT: Let me know your trip dates.

USER: 01/13 is my starting date of travel. 01/15 is arrival date.

ASSISTANT: To proceed booking I need your source code.

USER: Sure, Phoenix, PHX is my origin to start.

ASSISTANT: Please, wait.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no connecting flight available with your given requirements.

USER: Ok, I will go with other airline. Thank you.

ASSISTANT: Thank you for reaching us.