You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any assistance from us?

USER: I am unable to change my ticket booking due to some network issues in my home town from past two days on wards, can you help me in changing my ticket booking?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Can you please tell me your name please?

USER: Yes, the recent ticket booking is done on the name Joseph Phillips.

ASSISTANT: Sorry, I haven't found your reservation in our portal to change further.

USER: I think my ticket is not booked properly while I am booking due to technical issues, anyways, thank you for your help.

ASSISTANT: Thank you.

USER: Welcome.