You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please book a flight ticket from DCA to LAX?

ASSISTANT: Sure, I will help you. Can I know your travel dates please?

USER: Thank you. I have planned my travel dates as Nov 18 and Nov 20.

ASSISTANT: Ok, is there any timing concerns?

USER: I am ready to travel at  any time.

ASSISTANT: Is there any connection preference?

USER: Yes, I am looking for single connecting flight so please check with that.

ASSISTANT: Can I know your name please?

USER: Sure, myself Sharon Adams.

ASSISTANT: Ok, please wait a minute.

USER: Sure, take your time.

ASSISTANT: An United Airlines is found with the connection limit 1 and the ticket cost is 300. Can I reserve the ticket?

USER: That is fine, please proceed with booking.

ASSISTANT: I have booked your ticket with the flight-1001. Have a nice journey.

USER: Thank you for your help.

ASSISTANT: You are welcome. Thank you for choosing us.

USER: Most welcome.