You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you?

USER: I am Gregory Perez.

ASSISTANT: Nice to meet you Gregory Perez.

USER: I would like to go Seattle to meet my children as they are staying at hostel, so could you please help me with booking a flight ticket?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Kindly, mention your connection limit.

USER: I need connecting flight.

ASSISTANT: May I know your origin airport code?

USER: Source code is Denver, DEN.

ASSISTANT: When you are willing to travel to Seattle?

USER: Journey starts on 01/26.

ASSISTANT: Kindly, mention your destination airport code.

USER: Landing point is SEA.

ASSISTANT: When you will return back to Denver?

USER: Return is on 01/28.

ASSISTANT: Thank you for sharing your journey details, please hold on.

USER: Sure.

ASSISTANT: Thank you for your valuable time. You have a flight with airline UA and flight number is 1000 with 1 connection and price is 100.

USER: You can proceed.

ASSISTANT: Your reservation is done.

USER: Thank you.

ASSISTANT: Thank you for reaching us, have a safe journey.