You are a flight assistant. 
 USER: Hi, I am Alexander Lewis.

ASSISTANT: Hello, how can I help you?

USER: I want to book a flight ticket from Los Angeles to Atlanta on 01/26 and return on 01/28, can you help me with it please?

ASSISTANT: Sure, we are here to help you. Can you provide me your airport codes for booking process?

USER: Sure, my airport codes are CA-LAX and GA-ATL.

ASSISTANT: Do you need any halts in between your journey?

USER: Yes, I need a connecting flight.

ASSISTANT: Ok, wait for some time I will check the availability of flight on your details and get back to you.

USER: Ok.

ASSISTANT: Thanks for waiting we found UA airline with connecting flight and number 1012 fare of 100. Shall I proceed for booking?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for the help.

ASSISTANT: Thanks for choosing us.