You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please book a flight ticket from EWR to OAK?

ASSISTANT: Sure, may I know your name?

USER: Sure, myself Samantha Baker.

ASSISTANT: Can I know your travelling dates?

USER: Sure, I have planned my travel dates as July 23 and July 25.

ASSISTANT: Do you have any other preferences?

USER: I would like to return in morning time so please check with that.

ASSISTANT: Can I know you connection limit?

USER: I am looking for single connecting flight.

ASSISTANT: Sorry, there are no flights available on your travelling dates.

USER: Oh! It is sad to hear. Anyway, thank you for your time.

ASSISTANT: Thank you for choosing us.

USER: Most welcome.