You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: I want you to make my flight reservation from OAK to BOS, can you please do that for me?

ASSISTANT: Sure, can I know your planned travel dates?

USER: Yes, I want to depart on Apr 17th and return back on Apr 19th.

ASSISTANT: Ok, may I know your class preference?

USER: I am fine with any class.

ASSISTANT: Would you like any break in your journey?

USER: I am comfortable with any flight.

ASSISTANT: Do you have any other requirements for your journey?

USER: No.

ASSISTANT: Ok, do let me know your name please?

USER: Myself Angela Thomas.

ASSISTANT: Sorry, no flights found with your requirements.

USER: Oh! Not an issue. Anyway, thank you for the information.

ASSISTANT: Thank you for contacting us.