You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I am planning to attend a event in Los Angeles, can you please make a reservation from OAK to LAX?

ASSISTANT: Sure, I am glad to help you with that. Can you please provide your preferable dates of travelling?

USER: My journey dates are, depart on July 13th and arrival on July 15th.

ASSISTANT: Do you have any connection limit?

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

ASSISTANT: Any more specifications do you have?

USER: My return time should be in the morning.

ASSISTANT: On whose name I have to book the flight ticket?

USER: My name is William Campbell.

ASSISTANT: Please be on hold to check the flights.

USER: Sure.

ASSISTANT: Based on your information, I have found a flight with 1 connection having with the fare of 200 provided by Delta airlines in economy class. Are you ok with this flight?

USER: Yes, proceed with this airlines.

ASSISTANT: Ok, your ticket flight ticket is booked.

USER: Thank you for your help.

ASSISTANT: You are welcome.