You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Elizabeth Clark.

ASSISTANT: What can I do for you today?

USER: I am planning to attend  a wedding at  Phoenix, can you please book a connecting flight?

ASSISTANT: Ok, please share your airport codes of travelling.

USER: My airport codes are LAS and PHX.

ASSISTANT: Ok, may I know your class preference?

USER: I am comfortable with any class.

ASSISTANT: Ok, can you please provide your airline preference?

USER:  I need a normal cost ticket.

ASSISTANT: Ok, on which dates would like to travel?

USER: I would like to travel on dates Dec 8 and Dec 10.

ASSISTANT: Ok, at what time would you like to depart?

USER: I would like to depart at evening.

ASSISTANT: Ok, please wait for few minutes.

USER:    Ok, take your time.

ASSISTANT: Thank you for waiting, there are no flights found on your requested dates.

USER: That's ok, thank you for the response.

ASSISTANT: Thank you for reaching us.