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 DCA to OAK, can you please do that for me?

ASSISTANT: Sure, when are you planning to travel?

USER: I would like to depart on May 14th and return back on May 16th.

ASSISTANT: Would you like a break in your journey?

USER: Yes, I need a flight with single connection.

ASSISTANT: Do you have any specified travel timings?

USER: No.

ASSISTANT: Do you want to avail any other benefits to make your journey comfortable?

USER: Yes, I prefer for an economy class.

ASSISTANT: Ok, can you share your name please?

USER: Myself Deborah Phillips.

ASSISTANT: Sorry, there were no flights found with your requirements.

USER: Sad to hear that, thank you for checking.

ASSISTANT: Thank you for contacting us.