You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I would like to travel from DTW to OAK as a holiday trip. Can you do the reservation?

ASSISTANT: Sure, we are rapturous to help you. May I know your price limit please?

USER: Price should not cross 1000.

ASSISTANT: Can you please forward your depart and return dates of the journey?

USER: My trip dates are 03/23 and 03/25.

ASSISTANT: Thank you for sharing your details, please stand by, I will check with the airlines and revert to you.

USER: Sure.

ASSISTANT: Sorry to inform you that, there were no flights found matching your journey dates.

USER: No problem, Thanks for the information.

ASSISTANT: For documentation purpose may I know your name please?

USER: Eric Perez here.

ASSISTANT: Thank you for choosing us.