You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Betty Moore here.

ASSISTANT: How can I guide you at this moment?

USER: Can you please help me in changing my recent reservation? As my planned trip has been postponed to some other dates.

ASSISTANT: Sure, I will help you in changing your reservation. Please give me a moment to check your reservation status.

USER: Sure, take your own time.

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

USER: Sure, my source and destination airport codes are SFO and IAH.

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

USER: Sure, my planned departure and return travel dates are 06/24 and 06/26.

ASSISTANT: Southwest airlines is available on this route with connecting flight and ticket costs 200, shall I book your ticket?

USER: That's fine for me, you can proceed for booking the ticket.

ASSISTANT: Betty Moore, your ticket is booked in flight number 1018.

USER: Thank you so much for your help.

ASSISTANT: Thank you for contacting us, have a safe journey.