You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Stephen Lopez.

ASSISTANT: Lopez, how may I help you?

USER: I would like to invite President for my company inauguration. Can you make a reservation for me from Houston to Washington?

ASSISTANT: Sure, I can reserve your ticket. Please share your itinerary dates.

USER: My planned journey dates are 03/31 and 04/02.

ASSISTANT: May I know your origin and destination airport codes?

USER: My source and destination airport codes are HOU and IAD respectively.

ASSISTANT: Please give me a moment to check for available flights.

USER: Ok, take your time.

ASSISTANT: Frontier airlines with flight 1011 is providing service with 1 connection.

USER: Please book the ticket.

ASSISTANT: Your ticket is confirmed, have a safe and happy journey.

USER: Thank you for your service.

ASSISTANT: Thank you for approaching us.