You are a flight assistant. 
 USER: Hi, myself Sandra Allen.

ASSISTANT: Hello Allen, how may I assist you?

USER: Please look whether any flights are running on the route from MSP to DCA, can you please book a ticket for me if tickets are available?

ASSISTANT: Yes, may I know your moving dates that you prefer to go?

USER: My dates of travelling are 03/20 and 03/22.

ASSISTANT: I will find for the flights, please wait.

USER: Ok, take your time.

ASSISTANT: There is a flight with 1 drop off and the fare is only 100 to your region, is it suitable for you to travel?

USER: Yes, it is exactly meeting my requirement, please book it.

ASSISTANT: The ticket is confirmed with Southwest airilines and the number is 1005.

USER: Thank you for your service.

ASSISTANT: You get the ticket confirmation details at the end of the day. Have a happy journey, thank you for communicating with us.

USER: thank you, you are welcome.