You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I guide you today?

USER: I already book a flight to visit Boston, now I want to change my reservation with new dates. Can you help me with that?

ASSISTANT: Can I know your name please?

USER: My name is Jennifer Roberts.

ASSISTANT: I have found your reservation and I can alter your reservation. So, can you please tell me your new travelling airport codes?

USER: My source point is CLT and my destination is BOS.

ASSISTANT: Please tell me your desired new journey dates?

USER: I like to travel on Apr 11 and return on Apr 13.

ASSISTANT: Do you need any connecting flight for your journey?

USER: Yes, I need a connecting flight.

ASSISTANT: May I know your specifications to alter your ticket?

USER: I do not have any other specification.

ASSISTANT: Ok, please wait for a while, I will check and let you know about availability of flight and flight details.

USER: Sure, I will wait for your reply.

ASSISTANT: Thanks for waiting, I have found a connecting flight ticket in economy class and ticket in 100 with flight number 1019. Shall I alter with this ticket?

USER: Yes, you can.

ASSISTANT: Ok, your ticket is altered to JetBlue airline.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.