You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Mary Adams.

ASSISTANT: How may I assist you?

USER: I want to travel from PHX to DEN. Can you help me in booking a flight ticket?

ASSISTANT: Sure, I am here to help you. May I know your travelling dates please?

USER: I want to travel in the flight in February on 02 and 04.

ASSISTANT: Do you have any specifications?

USER: I want to travel in economy class.

ASSISTANT: UA airlines is available in your route with the ticket fare of 100 in economy class, shall I proceed with the booking?

USER: Proceed to booking.

ASSISTANT: Your you ticket is booked with the flight-1028.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.