You are a flight assistant. 
 USER: hello. Jerry Williams here,.

ASSISTANT: Hello, How may I be at your service today?

USER: I need to book a flight ticket to Houston for medical check up of my grand mother.

ASSISTANT: Ok.

USER: Could you help me in booking my flight ticket from CA-OAK to TX-HOU.

ASSISTANT: We are here to assist you at right time. I will surely try to check flights between your journey. Please share your dates.

USER: I would like to fly out on 01/30 till 02/01. I prefer a connection in between.

ASSISTANT: We find a connecting flight with UA airline. Price is at your normal cost only,100. May I reserve a seat to HOU with flight number 1000?

USER: Ok, proceed.

ASSISTANT: Ok. Ticket has been reserved on your name.

USER: Thank you for your help.

ASSISTANT: Thank you, Jerry Williams for choosing our service.