You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: On my name Debra Garcia, please book a connecting flight.

ASSISTANT: Sure, may I know your travelling dates?

USER: I have a meeting with the president on 08/26, so I have to start on 08/25.

ASSISTANT: Kindly provide your journey codes.

USER: New York, LGA is my source point. I have to reach to San Francisco, SFO. I will be back on 08/27.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: We found a flight with number 1020 and Delta as airline.

USER: Ok.

ASSISTANT: The cost of the ticket is 200.

USER: Kindly confirm my ticket.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you for reaching us.