You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Sarah Gonzalez here, my planning is from DC-DCA to CA-LAX, can you please book me a ticket?

ASSISTANT: Sure, may I know your travel dates please?

USER: Ok, my dates of journey is from 01/01 to 01/03.

ASSISTANT: Thanks for waiting. I have found UA airlines which flies with one connection.

USER: It's my pleasure, please proceed to book.

ASSISTANT: Sure, your flight ticket has been confirmed now.

USER: Thank you for your help.

ASSISTANT: Thank you.