You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you today?

USER: I need to change my reservation as my plan to go for trekking got postponed. Can you help me?

ASSISTANT: Sure, I will help you with that. Can you please provide your name to check your previous reservation?

USER: I am Timothy Campbell.

ASSISTANT: I have found your reservation. Can you please provide your new journey airport codes for booking?

USER: I will start from DCA and arrive at IAD.

ASSISTANT: Ok, may I know your departure and return dates of travelling?

USER: My departure is on Mar 8th and arrival is on Mar 10th.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need 1 lay by.

ASSISTANT: Any other specifications do you have?

USER: No.

ASSISTANT: Please wait a moment to check the flights.

USER: Sure.

ASSISTANT: Based on your information, I have found a flight with 1 connection having with the fare of 100 provided by Hawaiian airlines in economy class. Are you ok with this flight?

USER: Fine, please proceed.

ASSISTANT: Ok, your ticket has been confirmed in flight number 1013.

USER: Thanks for your support.

ASSISTANT: Thank you for reaching us, have a great journey.