You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Owing to an emergency I had to request for this change reservation.

ASSISTANT: May I know your good name?

USER: I am Cynthia Rodriguez.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: We found your reservation, can you please help me with your airport codes?

USER: Airport codes are SEA and SFO.

ASSISTANT: May I know your trip dates?

USER: Departure date is Nov, 28 and return will be Nov, 30.

ASSISTANT: Is there any connection limit?

USER: I would prefer connecting flight.

ASSISTANT: Is there any other preferences?

USER: I prefer normal-cost airline.

ASSISTANT: There were no flights found with your required dates to travel.

USER: Thanks.

ASSISTANT: Thank you.