You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Betty Lewis here.

ASSISTANT: In which way I can assist you today?

USER: Can you please book me a ticket from HOU to DCA? as I have to attend an interview.

ASSISTANT: Sure, I can help you in booking flight ticket. Can you please mention your travel dates for booking flight ticket?

USER: Sure, my travel dates are 01/04 and 01/06.

ASSISTANT: Ok, please wait a moment, I will check flight availability in this route.

USER: Sure, take your time.

ASSISTANT: I have found a flight in this route, airline is Hawaiian and flight number is 1022. Is it ok for you?

USER: Yes, please proceed for booking?

ASSISTANT: I have confirmed your flight ticket in your name.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.