You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am Timothy Johnson. Can you help me to book a flight from SFO to PHX?

ASSISTANT: Yes, Johnson. Sure, can you please share your planned travel dates?

USER: My preferred dates are 04/25 and 04/27.

ASSISTANT: Spirit airlines is having a flight with travel charge of 100 an 1 connection, shall I proceed booking?

USER: Yes, proceed.

ASSISTANT: Your ticket has been booked with flight-1027, have a safe flight.

USER: Thank you for your help.

ASSISTANT: Thank you so much for choosing us.