You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Mary Collins here.

ASSISTANT: Ok.

USER: I want to book a ticket for attending a friend marriage, hope your helping me over that.

ASSISTANT: That's great to hear. Will you provide your airport codes?

USER: My travel locations from EWR to DEN. I would like to travel on 10/25 and 10/27.

ASSISTANT: Will you provide your travelling dates? Ok, please give me a moment.

USER: Ok.

ASSISTANT: There is a flight with price 100 and the connections 1 is available.

USER: Ok, proceed.

ASSISTANT: Your ticket is booked with flight number 1003.

USER: Thank you for your help.

ASSISTANT: Welcome, have a nice day.

USER: Welcome.