You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Benjamin Davis here.

ASSISTANT: Yes, Davis.

USER: I just need your help in making my reservation from 10/05 to 10/07.

ASSISTANT: Ok, can you help me with your airport codes?

USER: Sure, my airport codes are from PHL to SFO.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: Delta airlines is having a flight with ticket fare of 100, shall I proceed booking?

USER: Yes, please confirm my reservation.

ASSISTANT: Your ticket has been booked with flight-1001, have a safe journey.

USER: Thanks.

ASSISTANT: Thank you for choosing us.