You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Alexander Allen here.

ASSISTANT: How can I assist you today?

USER: I want to reserve my ticket from LGA to SEA, can you please help me in this?

ASSISTANT: Sure, can you let me know your travelling dates?

USER: Ok, my planned dates of journey are from 02/11 to 02/13.

ASSISTANT: Please wait for a while.

USER: Sure, I will wait.

ASSISTANT: There is a flight with Spirit airline having one connection and airfare is 200. Can I proceed with booking?

USER: Ok, please book it.

ASSISTANT: Your ticket is confirmed with the flight number 1000.

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

ASSISTANT: Thank you for reaching us.