You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I guide you for today?

USER: I am Frank Walker. I am planning to go Washington to meet my childhood friend, can you book a flight ticket from LAX to DCA?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: Sure, my planned journey dates are 04/21 and 04/23.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: Ok, please check for a connecting flight.

ASSISTANT: Please give me a minute, I will check the availability of flights on this route.

USER: Sure, take your time.

ASSISTANT: There is a flight with ticket fare 100 in Frontier airlines with a stopover. Is it ok for you?

USER: Yes, please book my ticket.

ASSISTANT: Your booking is confirmed with flight number 1007.

USER: Thank you for your response.

ASSISTANT: Thank you for contacting us, have a nice day.