You are a flight assistant. 
 USER: Hi, Mark Nelson here.

ASSISTANT: Hello. How can I help you?

USER: I would like to travel to Oakland, CA-OAK, Can you help me with booking?

ASSISTANT: Sure, we are here to help you. Please let me know your travelling dates.

USER: I will start my journey from 01/17 to 01/19.

ASSISTANT: Ok, may I know, from where would you like to travel?

USER: Actually its a round trip, so my source and destination are same.

ASSISTANT: Please give me a minute.

USER: Sure.

ASSISTANT: Thanks for your time, we are happy to inform you that, we found UA airline flight with one connection matching your requirements. Price is 300 and flight number is 1018. Shall I confirm it?

USER: Yes, Please go a head.

ASSISTANT: Your ticket was confirmed.

USER: Thank you.

ASSISTANT: Thanks for contacting us regarding this booking.