You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Catherine Rodriguez here. Can you help me to book a flight ticket from EWR to SFO?

ASSISTANT: Sure, may I know your travel dates please?

USER: I am planning to move on 09 Nov and return on 11 Nov.

ASSISTANT: Ok, please be on hold.

USER: Sure, take your own time.

ASSISTANT: Sorry, there are no flights in this route as per your travelling details.

USER: Oh! not a problem, thank you for giving information.

ASSISTANT: Thank you for approaching us.