You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Brandon Martinez.

ASSISTANT: What can I do for you today?

USER: I would like to book a flight ticket to attend a robotic workshop, can you help me to book an economy class ticket?

ASSISTANT: Sure, please share your travelling dates.

USER: My travelling dates are 01/23 and 01/25.

ASSISTANT: Ok, may I know your airport codes please?

USER: My airport codes are OAK and SFO.

ASSISTANT: Ok, do you need any halt in between the journey?

USER: Yes, I need a connecting flight.

ASSISTANT: Ok, at what time would you like to depart and return?

USER: I want to depart at afternoon.

ASSISTANT: There is a flight-1020 on the dates you have given which is having a single halt and the ticket fare is 300. Shall I proceed to reserve the economy class ticket?

USER: Yes, please.

ASSISTANT: Your ticket has been confirmed with Frontier airlines and departure is at 19:00 PM and arrival is at 11:00 AM.

USER: Thank you.

ASSISTANT: Thank you for reaching us.