You are a flight assistant. 
 USER: Hi. Jack Lewis here.

ASSISTANT: Hello. How can I assist you?

USER: Reserve a flight ticket for me that is from SEA to DCA. For my business trip to Washington. I need a connecting flight.

ASSISTANT: Ok, may I know your travelling dates?

USER: My travelling dates for journey are 07/10 to 07/12.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: I have found a flight ticket with UA airline and 1013 as flight number.

USER: Yes, you can book the flight ticket.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thank you.

ASSISTANT: Most welcome.