You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Christine Martin here.

ASSISTANT: What help is required from my end?

USER: I want to visit Philadelphia, can you please help me to reserve my ticket from ORD to PHL?

ASSISTANT: Sure Martin, could you please provide the travel dates?

USER: Sure, my starting date will be from 05/13 and return date will be on 05/15 to reach my destination.

ASSISTANT: Give me a moment please.

USER: Sure, take your time.

ASSISTANT: UA airline is providing a service on your route with price 100, can I book it?

USER: Ok, please proceed with this ticket booking.

ASSISTANT: Your ticket has been booked with flight number 1022.

USER: Thank you for your help in reserving my ticket.

ASSISTANT: Thank you for choosing us.