You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I guide you for today?

USER: Thomas Thompson here. I would like to book a ticket from OAK to EWR, can you please help me with that?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: The travel dates are from 05/24 to 05/26.

ASSISTANT: Do you have any airline preferences?

USER: No, but I would like to return during afternoon time.

ASSISTANT: Do you have any class preferences?

USER: No, but I need a flight with 1 connection limit.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: No.

ASSISTANT: Sorry, there are no flights available at your request.

USER: That's ok, thank you for your help.

ASSISTANT: Thank you for contacting us, have a nice day.