You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Richard Young here.

ASSISTANT: How may I assist you?

USER: I am looking for a flight ticket with depart time in the morning hours. So can you book it for me?

ASSISTANT: Sure, may I know your travel dates?

USER: My travel dates are from Jan 12 to Jan 14.

ASSISTANT: Please share me your airport codes?

USER: Ok, my airport codes are from DCA to LGA.

ASSISTANT: We found a economy flight on your details with airline Southwest, flight number: 1024. Shall I book this ticket?

USER: I am fine with the airlines and fare. You can book it.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you.