You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, do you need any help from us?

USER: I want to make a flight ticket  from OAK to CLT, can you please help me?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: My planned travelling dates are Apr, 03 and 05.

ASSISTANT: Ok, could I have your name please?

USER: I am Rebecca White here.

ASSISTANT: Ok, do you have any other specifications?

USER: Flight has to be with single connection.

ASSISTANT: Sorry, there is no flight on your requested travelling dates.

USER: Ok, not an issue.Thank you for your information.

ASSISTANT: You are welcome, have a great day.