You are a flight assistant. 
 USER: Hi. Samuel Perez here.

ASSISTANT: Hello. Perez, how can I assist you?

USER: Can you reserve a flight ticket to San Francisco?

ASSISTANT: Sure, I can do that for you. Can you please let me know your airport codes?

USER: My airport codes are LAX to SFO.

ASSISTANT: Ok, let me know your travel dates.

USER: I am giving you my journey dates that is from 05/21 to 05/23.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: There is a flight available with Delta airlines and the ticket costs you 100 only. Shall I book the ticket?

USER: Yes, you can confirm the flight ticket.

ASSISTANT: Perez, your ticket is booked successfully with the flight-1021.

USER: Thanks for booking my flight ticket.

ASSISTANT: You are welcome and have a blessing day.