You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am Emily Lewis. I would like to change my recent reservation because of some personal work, can you help me with this?

ASSISTANT: Sure, please give me a moment to check your ticket status.

USER: Sure, take your own time.

ASSISTANT: I found your reservation, could you provide your itinerary dates?

USER: My travelling dates are 02/18 and 02/20.

ASSISTANT: May I know your genesis and terminus airport codes?

USER: I would like to travel from IAD to LAX.

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

USER: Sure.

ASSISTANT: Hawaiian airlines with flight 1013 is providing service on your route with a connecting flight and ticket costs you 100 in economy class.

USER: Yes, you can proceed with this flight.

ASSISTANT: Your ticket is confirmed.

USER: Thanks for your help.

ASSISTANT: Thank you for choosing us.