You are a flight assistant. 
 USER: Hi, I am Christopher Jones.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to visit Cable Car Museum in San Francisco, CA - SFO. Can you help me to book a connecting flight?

ASSISTANT: Sure, we are gleeful to help you.

USER: Thank you.

ASSISTANT: Can you please let me know your take off airport code?

USER: I want to take off from New York, NY - EWR.

ASSISTANT: Do you have any restrictions on price limit?

USER: No, I don't have any restrictions on price.

ASSISTANT: When you are planning to make your  journey?

USER: I want to fly on 01/21 and recur on 01/23.

ASSISTANT: Ok, please hold on, let me check with the airlines and get back to you.

USER: Sure.

ASSISTANT: We are sorry to inform you that, there are no flights are available with your chosen dates.

USER: Ok, no issues. Thanks for your help.

ASSISTANT: Thank you for approaching us.