You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Charles Edwards here.

ASSISTANT: How can I assist you at this moment?

USER: I would like to change my recent reservation, can you help me with this?

ASSISTANT: Sure, I will help you with this. Please be on hold for a moment while I check your reservation status.

USER: Sure, take your own time.

ASSISTANT: Charles Edwards, I have found your reservation. Can you please provide your nearest airport codes of journey?

USER: I want travel from CLT to BOS.

ASSISTANT: May I know your planned dates of journey please?

USER: My travel dates are 09/25 and 09/27.

ASSISTANT: Frontier airlines is providing service on this route with connection flight and ticket fare of 200, shall I book your ticket?

USER: You can proceed.

ASSISTANT: Charles Edwards, your ticket is booked in flight number 1011.

USER: Thanks for your help.

ASSISTANT: Thank you and have a safe journey.