You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you for today?

USER: Actually me and my friend planned to visit Charlotte, we have booked the tickets also, but the dates are wrong in that. I need to change those dates now, will you help me in altering the ticket?

ASSISTANT: Yes, I am glad to help you. Can I know on which name the ticket is booked?

USER: It is actually booked with my name, that is Jessica Baker.

ASSISTANT: Ok. I have found reservation on your name Jessica.

USER: That's nice.

ASSISTANT: Can I know to which dates you want to change your journey?

USER: Yes, I want to travel in these dates 12/26 and 12/28.

ASSISTANT: Ok, Could you please share your travelling airport codes?

USER: The travel airport codes are correct in previous ticket but once check with these codes BOS and CLT.

ASSISTANT: Ok, please hold on for a moment.

USER: Sure. I want a flight having connection limit 1.

ASSISTANT: I have found a flight ticket for you with a fare of 200. Can I proceed to booking?

USER: Ok, that's perfect for us, please proceed with that.

ASSISTANT: Ok, your ticket is booked with Hawaiian airlines.

USER: Thank's a lot.

ASSISTANT: Flight number is 1009. Thank you for contacting us.

USER: Ok, thank you for the information.

ASSISTANT: Happy to help you.