You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you now?

USER: I need to change my recent reservation, can you please help me?

ASSISTANT: Ok, may I know your name to check with availability?

USER: Myself Amy Campbell.

ASSISTANT: I have found your reservation, may I know your journey airport codes?

USER: My airport codes are SFO and IAH.

ASSISTANT: Your journey dates please?

USER: My travelling dates are Nov,26 and Nov,28.

ASSISTANT: May I know your connection limit?

USER: I need a single connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: There is a flight available for you with 1 connection at the price of 100 by United Airlines in economy class with depart time at 18:00 hours and return time at 20:00 hours. Can I reserve a ticket for you?

USER: Please proceed with the reservation.

ASSISTANT: Your ticket is reserved, thank you for choosing us.

USER: Thank you for changing my reservation.

ASSISTANT: Have a safe journey.